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Finding the Fourth Proportional to 48,687.88, 67,189.30 and 26,331.88

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Solution

The fourth proportional to 48,687.88, 67,189.30 and 26,331.88 is: 36,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.88 : 67,189.30 = 26,331.88 : x
  2. Step 2: Convert to fraction form
    48,687.88/67,189.30 = 26,331.88/x
  3. Step 3: Cross multiply
    48,687.88x = 67,189.30 × 26,331.88
  4. Step 4: Simplify right side
    48,687.88x = 1,769,220,584.88
  5. Step 5: Solve for x
    x = 1,769,220,584.88/48,687.88
  6. Step 6: Final answer
    x = 36,338.01

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1.5x scale

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.