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Finding the Fourth Proportional to 63,421.62, 95,049.79 and 35,340.54

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Solution

The fourth proportional to 63,421.62, 95,049.79 and 35,340.54 is: 52,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.62 : 95,049.79 = 35,340.54 : x
  2. Step 2: Convert to fraction form
    63,421.62/95,049.79 = 35,340.54/x
  3. Step 3: Cross multiply
    63,421.62x = 95,049.79 × 35,340.54
  4. Step 4: Simplify right side
    63,421.62x = 3,359,110,460.70
  5. Step 5: Solve for x
    x = 3,359,110,460.70/63,421.62
  6. Step 6: Final answer
    x = 52,964.76

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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.