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Finding the Fourth Proportional to 61,449.52, 84,799.10 and 34,591.44

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Solution

The fourth proportional to 61,449.52, 84,799.10 and 34,591.44 is: 47,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,449.52 : 84,799.10 = 34,591.44 : x
  2. Step 2: Convert to fraction form
    61,449.52/84,799.10 = 34,591.44/x
  3. Step 3: Cross multiply
    61,449.52x = 84,799.10 × 34,591.44
  4. Step 4: Simplify right side
    61,449.52x = 2,933,322,979.70
  5. Step 5: Solve for x
    x = 2,933,322,979.70/61,449.52
  6. Step 6: Final answer
    x = 47,735.49

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1.5x scale

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.