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Finding the Fourth Proportional to 62,568.76, 86,344.92 and 34,274.56

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Solution

The fourth proportional to 62,568.76, 86,344.92 and 34,274.56 is: 47,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,568.76 : 86,344.92 = 34,274.56 : x
  2. Step 2: Convert to fraction form
    62,568.76/86,344.92 = 34,274.56/x
  3. Step 3: Cross multiply
    62,568.76x = 86,344.92 × 34,274.56
  4. Step 4: Simplify right side
    62,568.76x = 2,959,434,141.24
  5. Step 5: Solve for x
    x = 2,959,434,141.24/62,568.76
  6. Step 6: Final answer
    x = 47,298.91

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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.