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Finding the Fourth Proportional to 17,607.75, 24,298.88 and 9,649.80

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Solution

The fourth proportional to 17,607.75, 24,298.88 and 9,649.80 is: 13,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607.75 : 24,298.88 = 9,649.80 : x
  2. Step 2: Convert to fraction form
    17,607.75/24,298.88 = 9,649.80/x
  3. Step 3: Cross multiply
    17,607.75x = 24,298.88 × 9,649.80
  4. Step 4: Simplify right side
    17,607.75x = 234,479,332.22
  5. Step 5: Solve for x
    x = 234,479,332.22/17,607.75
  6. Step 6: Final answer
    x = 13,316.83

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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.