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Finding the Fourth Proportional to 61,843.48, 92,763.82 and 15,096.20

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Solution

The fourth proportional to 61,843.48, 92,763.82 and 15,096.20 is: 22,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,843.48 : 92,763.82 = 15,096.20 : x
  2. Step 2: Convert to fraction form
    61,843.48/92,763.82 = 15,096.20/x
  3. Step 3: Cross multiply
    61,843.48x = 92,763.82 × 15,096.20
  4. Step 4: Simplify right side
    61,843.48x = 1,400,381,179.48
  5. Step 5: Solve for x
    x = 1,400,381,179.48/61,843.48
  6. Step 6: Final answer
    x = 22,643.96

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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.