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Finding the Fourth Proportional to 49,489.40, 74,250.39 and 32,914.64

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Solution

The fourth proportional to 49,489.40, 74,250.39 and 32,914.64 is: 49,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,489.40 : 74,250.39 = 32,914.64 : x
  2. Step 2: Convert to fraction form
    49,489.40/74,250.39 = 32,914.64/x
  3. Step 3: Cross multiply
    49,489.40x = 74,250.39 × 32,914.64
  4. Step 4: Simplify right side
    49,489.40x = 2,443,924,856.71
  5. Step 5: Solve for x
    x = 2,443,924,856.71/49,489.40
  6. Step 6: Final answer
    x = 49,382.79

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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.