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Finding the Fourth Proportional to 61,773.90, 85,248.09 and 33,479.58

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Solution

The fourth proportional to 61,773.90, 85,248.09 and 33,479.58 is: 46,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,773.90 : 85,248.09 = 33,479.58 : x
  2. Step 2: Convert to fraction form
    61,773.90/85,248.09 = 33,479.58/x
  3. Step 3: Cross multiply
    61,773.90x = 85,248.09 × 33,479.58
  4. Step 4: Simplify right side
    61,773.90x = 2,854,070,249.00
  5. Step 5: Solve for x
    x = 2,854,070,249.00/61,773.90
  6. Step 6: Final answer
    x = 46,201.88

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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.