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Finding the Fourth Proportional to 72,381.33, 108,551.18 and 24,984.11

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Solution

The fourth proportional to 72,381.33, 108,551.18 and 24,984.11 is: 37,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,381.33 : 108,551.18 = 24,984.11 : x
  2. Step 2: Convert to fraction form
    72,381.33/108,551.18 = 24,984.11/x
  3. Step 3: Cross multiply
    72,381.33x = 108,551.18 × 24,984.11
  4. Step 4: Simplify right side
    72,381.33x = 2,712,053,954.07
  5. Step 5: Solve for x
    x = 2,712,053,954.07/72,381.33
  6. Step 6: Final answer
    x = 37,468.97

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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.