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Finding the Fourth Proportional to 16,654.96, 22,952.22 and 11,931.04

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Solution

The fourth proportional to 16,654.96, 22,952.22 and 11,931.04 is: 16,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,654.96 : 22,952.22 = 11,931.04 : x
  2. Step 2: Convert to fraction form
    16,654.96/22,952.22 = 11,931.04/x
  3. Step 3: Cross multiply
    16,654.96x = 22,952.22 × 11,931.04
  4. Step 4: Simplify right side
    16,654.96x = 273,843,854.91
  5. Step 5: Solve for x
    x = 273,843,854.91/16,654.96
  6. Step 6: Final answer
    x = 16,442.18

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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.