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Finding the Fourth Proportional to 54,392.76, 81,617.04 and 26,690.76

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Solution

The fourth proportional to 54,392.76, 81,617.04 and 26,690.76 is: 40,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,392.76 : 81,617.04 = 26,690.76 : x
  2. Step 2: Convert to fraction form
    54,392.76/81,617.04 = 26,690.76/x
  3. Step 3: Cross multiply
    54,392.76x = 81,617.04 × 26,690.76
  4. Step 4: Simplify right side
    54,392.76x = 2,178,420,826.55
  5. Step 5: Solve for x
    x = 2,178,420,826.55/54,392.76
  6. Step 6: Final answer
    x = 40,049.83

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1.5x scale

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.