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Finding the Fourth Proportional to 61,627.80, 85,046.37 and 33,333.48

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Solution

The fourth proportional to 61,627.80, 85,046.37 and 33,333.48 is: 46,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,627.80 : 85,046.37 = 33,333.48 : x
  2. Step 2: Convert to fraction form
    61,627.80/85,046.37 = 33,333.48/x
  3. Step 3: Cross multiply
    61,627.80x = 85,046.37 × 33,333.48
  4. Step 4: Simplify right side
    61,627.80x = 2,834,891,473.47
  5. Step 5: Solve for x
    x = 2,834,891,473.47/61,627.80
  6. Step 6: Final answer
    x = 46,000.21

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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.