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Finding the Fourth Proportional to 40,952.56, 61,404.60 and 15,963.44

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Solution

The fourth proportional to 40,952.56, 61,404.60 and 15,963.44 is: 23,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,952.56 : 61,404.60 = 15,963.44 : x
  2. Step 2: Convert to fraction form
    40,952.56/61,404.60 = 15,963.44/x
  3. Step 3: Cross multiply
    40,952.56x = 61,404.60 × 15,963.44
  4. Step 4: Simplify right side
    40,952.56x = 980,228,340.80
  5. Step 5: Solve for x
    x = 980,228,340.80/40,952.56
  6. Step 6: Final answer
    x = 23,935.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.