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Finding the Fourth Proportional to 55,086.60, 82,572.14 and 26,967.88

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Solution

The fourth proportional to 55,086.60, 82,572.14 and 26,967.88 is: 40,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086.60 : 82,572.14 = 26,967.88 : x
  2. Step 2: Convert to fraction form
    55,086.60/82,572.14 = 26,967.88/x
  3. Step 3: Cross multiply
    55,086.60x = 82,572.14 × 26,967.88
  4. Step 4: Simplify right side
    55,086.60x = 2,226,795,562.86
  5. Step 5: Solve for x
    x = 2,226,795,562.86/55,086.60
  6. Step 6: Final answer
    x = 40,423.54

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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.