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Finding the Fourth Proportional to 17,636.76, 24,337.77 and 9,678.36

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Solution

The fourth proportional to 17,636.76, 24,337.77 and 9,678.36 is: 13,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.76 : 24,337.77 = 9,678.36 : x
  2. Step 2: Convert to fraction form
    17,636.76/24,337.77 = 9,678.36/x
  3. Step 3: Cross multiply
    17,636.76x = 24,337.77 × 9,678.36
  4. Step 4: Simplify right side
    17,636.76x = 235,549,699.66
  5. Step 5: Solve for x
    x = 235,549,699.66/17,636.76
  6. Step 6: Final answer
    x = 13,355.61

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Find fourth proportional to 8,818.38, 12,168.89 and 4,839.18
Half scale
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Double scale
Find fourth proportional to 17,637.76, 24,339.15 and 9,679.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.