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Finding the Fourth Proportional to 61,881.38, 92,823.89 and 15,134.25

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Solution

The fourth proportional to 61,881.38, 92,823.89 and 15,134.25 is: 22,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,881.38 : 92,823.89 = 15,134.25 : x
  2. Step 2: Convert to fraction form
    61,881.38/92,823.89 = 15,134.25/x
  3. Step 3: Cross multiply
    61,881.38x = 92,823.89 × 15,134.25
  4. Step 4: Simplify right side
    61,881.38x = 1,404,819,881.56
  5. Step 5: Solve for x
    x = 1,404,819,881.56/61,881.38
  6. Step 6: Final answer
    x = 22,701.82

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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.