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Finding the Fourth Proportional to 58,596.57, 80,863.28 and 31,739.00

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Solution

The fourth proportional to 58,596.57, 80,863.28 and 31,739.00 is: 43,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,596.57 : 80,863.28 = 31,739.00 : x
  2. Step 2: Convert to fraction form
    58,596.57/80,863.28 = 31,739.00/x
  3. Step 3: Cross multiply
    58,596.57x = 80,863.28 × 31,739.00
  4. Step 4: Simplify right side
    58,596.57x = 2,566,519,318.95
  5. Step 5: Solve for x
    x = 2,566,519,318.95/58,596.57
  6. Step 6: Final answer
    x = 43,799.82

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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.