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Finding the Fourth Proportional to 61,600.90, 85,009.17 and 33,306.52

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Solution

The fourth proportional to 61,600.90, 85,009.17 and 33,306.52 is: 45,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,600.90 : 85,009.17 = 33,306.52 : x
  2. Step 2: Convert to fraction form
    61,600.90/85,009.17 = 33,306.52/x
  3. Step 3: Cross multiply
    61,600.90x = 85,009.17 × 33,306.52
  4. Step 4: Simplify right side
    61,600.90x = 2,831,359,620.79
  5. Step 5: Solve for x
    x = 2,831,359,620.79/61,600.90
  6. Step 6: Final answer
    x = 45,962.96

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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.