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Finding the Fourth Proportional to 61,226.29, 91,862.52 and 41,689.09

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Solution

The fourth proportional to 61,226.29, 91,862.52 and 41,689.09 is: 62,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,226.29 : 91,862.52 = 41,689.09 : x
  2. Step 2: Convert to fraction form
    61,226.29/91,862.52 = 41,689.09/x
  3. Step 3: Cross multiply
    61,226.29x = 91,862.52 × 41,689.09
  4. Step 4: Simplify right side
    61,226.29x = 3,829,664,863.91
  5. Step 5: Solve for x
    x = 3,829,664,863.91/61,226.29
  6. Step 6: Final answer
    x = 62,549.35

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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.