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Finding the Fourth Proportional to 27,932.64, 38,545.02 and 16,601.64

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Solution

The fourth proportional to 27,932.64, 38,545.02 and 16,601.64 is: 22,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.64 : 38,545.02 = 16,601.64 : x
  2. Step 2: Convert to fraction form
    27,932.64/38,545.02 = 16,601.64/x
  3. Step 3: Cross multiply
    27,932.64x = 38,545.02 × 16,601.64
  4. Step 4: Simplify right side
    27,932.64x = 639,910,545.83
  5. Step 5: Solve for x
    x = 639,910,545.83/27,932.64
  6. Step 6: Final answer
    x = 22,909.06

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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.