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Finding the Fourth Proportional to 71,082.90, 106,620.48 and 26,706.24

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Solution

The fourth proportional to 71,082.90, 106,620.48 and 26,706.24 is: 40,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082.90 : 106,620.48 = 26,706.24 : x
  2. Step 2: Convert to fraction form
    71,082.90/106,620.48 = 26,706.24/x
  3. Step 3: Cross multiply
    71,082.90x = 106,620.48 × 26,706.24
  4. Step 4: Simplify right side
    71,082.90x = 2,847,432,127.80
  5. Step 5: Solve for x
    x = 2,847,432,127.80/71,082.90
  6. Step 6: Final answer
    x = 40,057.91

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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.