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Finding the Fourth Proportional to 62,944.28, 86,863.11 and 34,649.75

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Solution

The fourth proportional to 62,944.28, 86,863.11 and 34,649.75 is: 47,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,944.28 : 86,863.11 = 34,649.75 : x
  2. Step 2: Convert to fraction form
    62,944.28/86,863.11 = 34,649.75/x
  3. Step 3: Cross multiply
    62,944.28x = 86,863.11 × 34,649.75
  4. Step 4: Simplify right side
    62,944.28x = 3,009,785,045.72
  5. Step 5: Solve for x
    x = 3,009,785,045.72/62,944.28
  6. Step 6: Final answer
    x = 47,816.66

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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.