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Finding the Fourth Proportional to 62,407, 86,122.02 and 40,051

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Solution

The fourth proportional to 62,407, 86,122.02 and 40,051 is: 55,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,407 : 86,122.02 = 40,051 : x
  2. Step 2: Convert to fraction form
    62,407/86,122.02 = 40,051/x
  3. Step 3: Cross multiply
    62,407x = 86,122.02 × 40,051
  4. Step 4: Simplify right side
    62,407x = 3,449,273,023.02
  5. Step 5: Solve for x
    x = 3,449,273,023.02/62,407
  6. Step 6: Final answer
    x = 55,270.61

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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.