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Finding the Fourth Proportional to 66,964.57, 100,446.86 and 27,001.70

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Solution

The fourth proportional to 66,964.57, 100,446.86 and 27,001.70 is: 40,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964.57 : 100,446.86 = 27,001.70 : x
  2. Step 2: Convert to fraction form
    66,964.57/100,446.86 = 27,001.70/x
  3. Step 3: Cross multiply
    66,964.57x = 100,446.86 × 27,001.70
  4. Step 4: Simplify right side
    66,964.57x = 2,712,236,410.68
  5. Step 5: Solve for x
    x = 2,712,236,410.68/66,964.57
  6. Step 6: Final answer
    x = 40,502.56

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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.