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Finding the Fourth Proportional to 6,591.45, 9,885.13 and 2,207.88

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Solution

The fourth proportional to 6,591.45, 9,885.13 and 2,207.88 is: 3,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.45 : 9,885.13 = 2,207.88 : x
  2. Step 2: Convert to fraction form
    6,591.45/9,885.13 = 2,207.88/x
  3. Step 3: Cross multiply
    6,591.45x = 9,885.13 × 2,207.88
  4. Step 4: Simplify right side
    6,591.45x = 21,825,200.00
  5. Step 5: Solve for x
    x = 21,825,200.00/6,591.45
  6. Step 6: Final answer
    x = 3,311.14

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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.