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Finding the Fourth Proportional to 89,609.70, 134,414.55 and 27,272.10

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Solution

The fourth proportional to 89,609.70, 134,414.55 and 27,272.10 is: 40,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,609.70 : 134,414.55 = 27,272.10 : x
  2. Step 2: Convert to fraction form
    89,609.70/134,414.55 = 27,272.10/x
  3. Step 3: Cross multiply
    89,609.70x = 134,414.55 × 27,272.10
  4. Step 4: Simplify right side
    89,609.70x = 3,665,767,049.06
  5. Step 5: Solve for x
    x = 3,665,767,049.06/89,609.70
  6. Step 6: Final answer
    x = 40,908.15

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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.