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Finding the Fourth Proportional to 62,444.74, 86,172 and 34,149.82

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Solution

The fourth proportional to 62,444.74, 86,172 and 34,149.82 is: 47,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,444.74 : 86,172 = 34,149.82 : x
  2. Step 2: Convert to fraction form
    62,444.74/86,172 = 34,149.82/x
  3. Step 3: Cross multiply
    62,444.74x = 86,172 × 34,149.82
  4. Step 4: Simplify right side
    62,444.74x = 2,942,758,289.04
  5. Step 5: Solve for x
    x = 2,942,758,289.04/62,444.74
  6. Step 6: Final answer
    x = 47,125.80

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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.