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Finding the Fourth Proportional to 41,891.52, 62,836.40 and 12,308.64

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Solution

The fourth proportional to 41,891.52, 62,836.40 and 12,308.64 is: 18,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,891.52 : 62,836.40 = 12,308.64 : x
  2. Step 2: Convert to fraction form
    41,891.52/62,836.40 = 12,308.64/x
  3. Step 3: Cross multiply
    41,891.52x = 62,836.40 × 12,308.64
  4. Step 4: Simplify right side
    41,891.52x = 773,430,626.50
  5. Step 5: Solve for x
    x = 773,430,626.50/41,891.52
  6. Step 6: Final answer
    x = 18,462.70

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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.