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Finding the Fourth Proportional to 71,200.67, 106,808.31 and 26,864.73

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Solution

The fourth proportional to 71,200.67, 106,808.31 and 26,864.73 is: 40,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,200.67 : 106,808.31 = 26,864.73 : x
  2. Step 2: Convert to fraction form
    71,200.67/106,808.31 = 26,864.73/x
  3. Step 3: Cross multiply
    71,200.67x = 106,808.31 × 26,864.73
  4. Step 4: Simplify right side
    71,200.67x = 2,869,376,409.91
  5. Step 5: Solve for x
    x = 2,869,376,409.91/71,200.67
  6. Step 6: Final answer
    x = 40,299.85

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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.