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Finding the Fourth Proportional to 70,874.56, 106,277.18 and 30,927.30

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Solution

The fourth proportional to 70,874.56, 106,277.18 and 30,927.30 is: 46,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,874.56 : 106,277.18 = 30,927.30 : x
  2. Step 2: Convert to fraction form
    70,874.56/106,277.18 = 30,927.30/x
  3. Step 3: Cross multiply
    70,874.56x = 106,277.18 × 30,927.30
  4. Step 4: Simplify right side
    70,874.56x = 3,286,866,229.01
  5. Step 5: Solve for x
    x = 3,286,866,229.01/70,874.56
  6. Step 6: Final answer
    x = 46,375.83

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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.