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Finding the Fourth Proportional to 61,770.97, 92,758.97 and 38,545.03

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Solution

The fourth proportional to 61,770.97, 92,758.97 and 38,545.03 is: 57,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,770.97 : 92,758.97 = 38,545.03 : x
  2. Step 2: Convert to fraction form
    61,770.97/92,758.97 = 38,545.03/x
  3. Step 3: Cross multiply
    61,770.97x = 92,758.97 × 38,545.03
  4. Step 4: Simplify right side
    61,770.97x = 3,575,397,281.42
  5. Step 5: Solve for x
    x = 3,575,397,281.42/61,770.97
  6. Step 6: Final answer
    x = 57,881.51

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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.