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Finding the Fourth Proportional to 62,891.64, 86,785.21 and 37,046.08

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Solution

The fourth proportional to 62,891.64, 86,785.21 and 37,046.08 is: 51,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,891.64 : 86,785.21 = 37,046.08 : x
  2. Step 2: Convert to fraction form
    62,891.64/86,785.21 = 37,046.08/x
  3. Step 3: Cross multiply
    62,891.64x = 86,785.21 × 37,046.08
  4. Step 4: Simplify right side
    62,891.64x = 3,215,052,179.25
  5. Step 5: Solve for x
    x = 3,215,052,179.25/62,891.64
  6. Step 6: Final answer
    x = 51,120.50

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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.