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Finding the Fourth Proportional to 63,908.80, 95,791.20 and 30,644.80

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Solution

The fourth proportional to 63,908.80, 95,791.20 and 30,644.80 is: 45,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908.80 : 95,791.20 = 30,644.80 : x
  2. Step 2: Convert to fraction form
    63,908.80/95,791.20 = 30,644.80/x
  3. Step 3: Cross multiply
    63,908.80x = 95,791.20 × 30,644.80
  4. Step 4: Simplify right side
    63,908.80x = 2,935,502,165.76
  5. Step 5: Solve for x
    x = 2,935,502,165.76/63,908.80
  6. Step 6: Final answer
    x = 45,932.68

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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.