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Finding the Fourth Proportional to 8,350.56, 12,530.16 and 3,967.20

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Solution

The fourth proportional to 8,350.56, 12,530.16 and 3,967.20 is: 5,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.56 : 12,530.16 = 3,967.20 : x
  2. Step 2: Convert to fraction form
    8,350.56/12,530.16 = 3,967.20/x
  3. Step 3: Cross multiply
    8,350.56x = 12,530.16 × 3,967.20
  4. Step 4: Simplify right side
    8,350.56x = 49,709,650.75
  5. Step 5: Solve for x
    x = 49,709,650.75/8,350.56
  6. Step 6: Final answer
    x = 5,952.85

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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.