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Finding the Fourth Proportional to 61,753.25, 85,280.04 and 52,748.28

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Solution

The fourth proportional to 61,753.25, 85,280.04 and 52,748.28 is: 72,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,753.25 : 85,280.04 = 52,748.28 : x
  2. Step 2: Convert to fraction form
    61,753.25/85,280.04 = 52,748.28/x
  3. Step 3: Cross multiply
    61,753.25x = 85,280.04 × 52,748.28
  4. Step 4: Simplify right side
    61,753.25x = 4,498,375,428.33
  5. Step 5: Solve for x
    x = 4,498,375,428.33/61,753.25
  6. Step 6: Final answer
    x = 72,844.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.