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Finding the Fourth Proportional to 61,839, 92,758.76 and 26,291.16

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Solution

The fourth proportional to 61,839, 92,758.76 and 26,291.16 is: 39,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,839 : 92,758.76 = 26,291.16 : x
  2. Step 2: Convert to fraction form
    61,839/92,758.76 = 26,291.16/x
  3. Step 3: Cross multiply
    61,839x = 92,758.76 × 26,291.16
  4. Step 4: Simplify right side
    61,839x = 2,438,735,400.56
  5. Step 5: Solve for x
    x = 2,438,735,400.56/61,839
  6. Step 6: Final answer
    x = 39,436.85

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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.