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Finding the Fourth Proportional to 17,981.22, 24,814.14 and 9,804.77

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Solution

The fourth proportional to 17,981.22, 24,814.14 and 9,804.77 is: 13,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.22 : 24,814.14 = 9,804.77 : x
  2. Step 2: Convert to fraction form
    17,981.22/24,814.14 = 9,804.77/x
  3. Step 3: Cross multiply
    17,981.22x = 24,814.14 × 9,804.77
  4. Step 4: Simplify right side
    17,981.22x = 243,296,859.71
  5. Step 5: Solve for x
    x = 243,296,859.71/17,981.22
  6. Step 6: Final answer
    x = 13,530.61

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Find fourth proportional to 8,990.61, 12,407.07 and 4,902.38
Half scale
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Double scale
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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.