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Finding the Fourth Proportional to 26,874.30, 40,282.65 and 10,227.90

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Solution

The fourth proportional to 26,874.30, 40,282.65 and 10,227.90 is: 15,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.30 : 40,282.65 = 10,227.90 : x
  2. Step 2: Convert to fraction form
    26,874.30/40,282.65 = 10,227.90/x
  3. Step 3: Cross multiply
    26,874.30x = 40,282.65 × 10,227.90
  4. Step 4: Simplify right side
    26,874.30x = 412,006,915.94
  5. Step 5: Solve for x
    x = 412,006,915.94/26,874.30
  6. Step 6: Final answer
    x = 15,330.89

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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.