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Finding the Fourth Proportional to 63,422.80, 95,046.72 and 47,823.28

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Solution

The fourth proportional to 63,422.80, 95,046.72 and 47,823.28 is: 71,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.80 : 95,046.72 = 47,823.28 : x
  2. Step 2: Convert to fraction form
    63,422.80/95,046.72 = 47,823.28/x
  3. Step 3: Cross multiply
    63,422.80x = 95,046.72 × 47,823.28
  4. Step 4: Simplify right side
    63,422.80x = 4,545,445,903.64
  5. Step 5: Solve for x
    x = 4,545,445,903.64/63,422.80
  6. Step 6: Final answer
    x = 71,668.96

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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.