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Finding the Fourth Proportional to 62,658.10, 86,468.28 and 34,363.96

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Solution

The fourth proportional to 62,658.10, 86,468.28 and 34,363.96 is: 47,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,658.10 : 86,468.28 = 34,363.96 : x
  2. Step 2: Convert to fraction form
    62,658.10/86,468.28 = 34,363.96/x
  3. Step 3: Cross multiply
    62,658.10x = 86,468.28 × 34,363.96
  4. Step 4: Simplify right side
    62,658.10x = 2,971,392,515.19
  5. Step 5: Solve for x
    x = 2,971,392,515.19/62,658.10
  6. Step 6: Final answer
    x = 47,422.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.