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Finding the Fourth Proportional to 61,422.83, 92,156.77 and 25,893.09

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Solution

The fourth proportional to 61,422.83, 92,156.77 and 25,893.09 is: 38,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,422.83 : 92,156.77 = 25,893.09 : x
  2. Step 2: Convert to fraction form
    61,422.83/92,156.77 = 25,893.09/x
  3. Step 3: Cross multiply
    61,422.83x = 92,156.77 × 25,893.09
  4. Step 4: Simplify right side
    61,422.83x = 2,386,223,572.09
  5. Step 5: Solve for x
    x = 2,386,223,572.09/61,422.83
  6. Step 6: Final answer
    x = 38,849.13

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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.