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Finding the Fourth Proportional to 69,207.67, 95,472.78 and 40,527.89

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Solution

The fourth proportional to 69,207.67, 95,472.78 and 40,527.89 is: 55,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,207.67 : 95,472.78 = 40,527.89 : x
  2. Step 2: Convert to fraction form
    69,207.67/95,472.78 = 40,527.89/x
  3. Step 3: Cross multiply
    69,207.67x = 95,472.78 × 40,527.89
  4. Step 4: Simplify right side
    69,207.67x = 3,869,310,591.55
  5. Step 5: Solve for x
    x = 3,869,310,591.55/69,207.67
  6. Step 6: Final answer
    x = 55,908.70

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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.