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Finding the Fourth Proportional to 67,913.30, 101,889.39 and 32,872.70

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Solution

The fourth proportional to 67,913.30, 101,889.39 and 32,872.70 is: 49,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,913.30 : 101,889.39 = 32,872.70 : x
  2. Step 2: Convert to fraction form
    67,913.30/101,889.39 = 32,872.70/x
  3. Step 3: Cross multiply
    67,913.30x = 101,889.39 × 32,872.70
  4. Step 4: Simplify right side
    67,913.30x = 3,349,378,841.21
  5. Step 5: Solve for x
    x = 3,349,378,841.21/67,913.30
  6. Step 6: Final answer
    x = 49,318.46

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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.