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Finding the Fourth Proportional to 69,282.62, 103,882.27 and 27,112.40

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Solution

The fourth proportional to 69,282.62, 103,882.27 and 27,112.40 is: 40,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,282.62 : 103,882.27 = 27,112.40 : x
  2. Step 2: Convert to fraction form
    69,282.62/103,882.27 = 27,112.40/x
  3. Step 3: Cross multiply
    69,282.62x = 103,882.27 × 27,112.40
  4. Step 4: Simplify right side
    69,282.62x = 2,816,497,657.15
  5. Step 5: Solve for x
    x = 2,816,497,657.15/69,282.62
  6. Step 6: Final answer
    x = 40,652.30

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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.