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Finding the Fourth Proportional to 17,909.22, 24,715.17 and 9,952.20

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Solution

The fourth proportional to 17,909.22, 24,715.17 and 9,952.20 is: 13,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.22 : 24,715.17 = 9,952.20 : x
  2. Step 2: Convert to fraction form
    17,909.22/24,715.17 = 9,952.20/x
  3. Step 3: Cross multiply
    17,909.22x = 24,715.17 × 9,952.20
  4. Step 4: Simplify right side
    17,909.22x = 245,970,314.87
  5. Step 5: Solve for x
    x = 245,970,314.87/17,909.22
  6. Step 6: Final answer
    x = 13,734.28

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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.