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Finding the Fourth Proportional to 48,625.91, 67,101.17 and 27,117.87

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Solution

The fourth proportional to 48,625.91, 67,101.17 and 27,117.87 is: 37,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,625.91 : 67,101.17 = 27,117.87 : x
  2. Step 2: Convert to fraction form
    48,625.91/67,101.17 = 27,117.87/x
  3. Step 3: Cross multiply
    48,625.91x = 67,101.17 × 27,117.87
  4. Step 4: Simplify right side
    48,625.91x = 1,819,640,493.96
  5. Step 5: Solve for x
    x = 1,819,640,493.96/48,625.91
  6. Step 6: Final answer
    x = 37,421.21

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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.