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Finding the Fourth Proportional to 17,472.20, 24,110.12 and 9,918.85

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Solution

The fourth proportional to 17,472.20, 24,110.12 and 9,918.85 is: 13,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.20 : 24,110.12 = 9,918.85 : x
  2. Step 2: Convert to fraction form
    17,472.20/24,110.12 = 9,918.85/x
  3. Step 3: Cross multiply
    17,472.20x = 24,110.12 × 9,918.85
  4. Step 4: Simplify right side
    17,472.20x = 239,144,748.83
  5. Step 5: Solve for x
    x = 239,144,748.83/17,472.20
  6. Step 6: Final answer
    x = 13,687.16

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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.