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Finding the Fourth Proportional to 62,471.88, 86,213.36 and 34,177.57

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Solution

The fourth proportional to 62,471.88, 86,213.36 and 34,177.57 is: 47,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.88 : 86,213.36 = 34,177.57 : x
  2. Step 2: Convert to fraction form
    62,471.88/86,213.36 = 34,177.57/x
  3. Step 3: Cross multiply
    62,471.88x = 86,213.36 × 34,177.57
  4. Step 4: Simplify right side
    62,471.88x = 2,946,563,258.72
  5. Step 5: Solve for x
    x = 2,946,563,258.72/62,471.88
  6. Step 6: Final answer
    x = 47,166.23

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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.