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Finding the Fourth Proportional to 63,719.80, 95,592.45 and 35,679.72

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Solution

The fourth proportional to 63,719.80, 95,592.45 and 35,679.72 is: 53,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,719.80 : 95,592.45 = 35,679.72 : x
  2. Step 2: Convert to fraction form
    63,719.80/95,592.45 = 35,679.72/x
  3. Step 3: Cross multiply
    63,719.80x = 95,592.45 × 35,679.72
  4. Step 4: Simplify right side
    63,719.80x = 3,410,712,342.38
  5. Step 5: Solve for x
    x = 3,410,712,342.38/63,719.80
  6. Step 6: Final answer
    x = 53,526.73

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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.