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Finding the Fourth Proportional to 58,190.80, 87,273.86 and 26,591.88

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Solution

The fourth proportional to 58,190.80, 87,273.86 and 26,591.88 is: 39,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,190.80 : 87,273.86 = 26,591.88 : x
  2. Step 2: Convert to fraction form
    58,190.80/87,273.86 = 26,591.88/x
  3. Step 3: Cross multiply
    58,190.80x = 87,273.86 × 26,591.88
  4. Step 4: Simplify right side
    58,190.80x = 2,320,776,012.26
  5. Step 5: Solve for x
    x = 2,320,776,012.26/58,190.80
  6. Step 6: Final answer
    x = 39,882.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.