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Finding the Fourth Proportional to 61,882.25, 92,825.20 and 15,135.13

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Solution

The fourth proportional to 61,882.25, 92,825.20 and 15,135.13 is: 22,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,882.25 : 92,825.20 = 15,135.13 : x
  2. Step 2: Convert to fraction form
    61,882.25/92,825.20 = 15,135.13/x
  3. Step 3: Cross multiply
    61,882.25x = 92,825.20 × 15,135.13
  4. Step 4: Simplify right side
    61,882.25x = 1,404,921,005.15
  5. Step 5: Solve for x
    x = 1,404,921,005.15/61,882.25
  6. Step 6: Final answer
    x = 22,703.13

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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.