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Finding the Fourth Proportional to 61,652.90, 85,081 and 33,358.59

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Solution

The fourth proportional to 61,652.90, 85,081 and 33,358.59 is: 46,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,652.90 : 85,081 = 33,358.59 : x
  2. Step 2: Convert to fraction form
    61,652.90/85,081 = 33,358.59/x
  3. Step 3: Cross multiply
    61,652.90x = 85,081 × 33,358.59
  4. Step 4: Simplify right side
    61,652.90x = 2,838,182,195.79
  5. Step 5: Solve for x
    x = 2,838,182,195.79/61,652.90
  6. Step 6: Final answer
    x = 46,034.85

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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.