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Finding the Fourth Proportional to 43,658.91, 65,488.82 and 34,949.19

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Solution

The fourth proportional to 43,658.91, 65,488.82 and 34,949.19 is: 52,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,658.91 : 65,488.82 = 34,949.19 : x
  2. Step 2: Convert to fraction form
    43,658.91/65,488.82 = 34,949.19/x
  3. Step 3: Cross multiply
    43,658.91x = 65,488.82 × 34,949.19
  4. Step 4: Simplify right side
    43,658.91x = 2,288,781,213.06
  5. Step 5: Solve for x
    x = 2,288,781,213.06/43,658.91
  6. Step 6: Final answer
    x = 52,424.15

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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.