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Finding the Fourth Proportional to 61,493.60, 92,240.40 and 36,610.40

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Solution

The fourth proportional to 61,493.60, 92,240.40 and 36,610.40 is: 54,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,493.60 : 92,240.40 = 36,610.40 : x
  2. Step 2: Convert to fraction form
    61,493.60/92,240.40 = 36,610.40/x
  3. Step 3: Cross multiply
    61,493.60x = 92,240.40 × 36,610.40
  4. Step 4: Simplify right side
    61,493.60x = 3,376,957,940.16
  5. Step 5: Solve for x
    x = 3,376,957,940.16/61,493.60
  6. Step 6: Final answer
    x = 54,915.60

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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.