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Finding the Fourth Proportional to 62,467.71, 86,180.86 and 38,552.86

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Solution

The fourth proportional to 62,467.71, 86,180.86 and 38,552.86 is: 53,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,467.71 : 86,180.86 = 38,552.86 : x
  2. Step 2: Convert to fraction form
    62,467.71/86,180.86 = 38,552.86/x
  3. Step 3: Cross multiply
    62,467.71x = 86,180.86 × 38,552.86
  4. Step 4: Simplify right side
    62,467.71x = 3,322,518,786.18
  5. Step 5: Solve for x
    x = 3,322,518,786.18/62,467.71
  6. Step 6: Final answer
    x = 53,187.78

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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.