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Finding the Fourth Proportional to 6,596.60, 9,882.90 and 3,126.20

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Solution

The fourth proportional to 6,596.60, 9,882.90 and 3,126.20 is: 4,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,596.60 : 9,882.90 = 3,126.20 : x
  2. Step 2: Convert to fraction form
    6,596.60/9,882.90 = 3,126.20/x
  3. Step 3: Cross multiply
    6,596.60x = 9,882.90 × 3,126.20
  4. Step 4: Simplify right side
    6,596.60x = 30,895,921.98
  5. Step 5: Solve for x
    x = 30,895,921.98/6,596.60
  6. Step 6: Final answer
    x = 4,683.61

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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.