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Finding the Fourth Proportional to 17,711.13, 24,440.78 and 9,753.15

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Solution

The fourth proportional to 17,711.13, 24,440.78 and 9,753.15 is: 13,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.13 : 24,440.78 = 9,753.15 : x
  2. Step 2: Convert to fraction form
    17,711.13/24,440.78 = 9,753.15/x
  3. Step 3: Cross multiply
    17,711.13x = 24,440.78 × 9,753.15
  4. Step 4: Simplify right side
    17,711.13x = 238,374,593.46
  5. Step 5: Solve for x
    x = 238,374,593.46/17,711.13
  6. Step 6: Final answer
    x = 13,459.03

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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.