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Finding the Fourth Proportional to 72,381.92, 108,546.19 and 24,984.95

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Solution

The fourth proportional to 72,381.92, 108,546.19 and 24,984.95 is: 37,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,381.92 : 108,546.19 = 24,984.95 : x
  2. Step 2: Convert to fraction form
    72,381.92/108,546.19 = 24,984.95/x
  3. Step 3: Cross multiply
    72,381.92x = 108,546.19 × 24,984.95
  4. Step 4: Simplify right side
    72,381.92x = 2,712,020,524.65
  5. Step 5: Solve for x
    x = 2,712,020,524.65/72,381.92
  6. Step 6: Final answer
    x = 37,468.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.