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Finding the Fourth Proportional to 61,952.68, 92,869.50 and 39,703.72

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Solution

The fourth proportional to 61,952.68, 92,869.50 and 39,703.72 is: 59,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,952.68 : 92,869.50 = 39,703.72 : x
  2. Step 2: Convert to fraction form
    61,952.68/92,869.50 = 39,703.72/x
  3. Step 3: Cross multiply
    61,952.68x = 92,869.50 × 39,703.72
  4. Step 4: Simplify right side
    61,952.68x = 3,687,264,624.54
  5. Step 5: Solve for x
    x = 3,687,264,624.54/61,952.68
  6. Step 6: Final answer
    x = 59,517.44

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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.