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Finding the Fourth Proportional to 6,246.64, 8,620.12 and 3,452.08

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Solution

The fourth proportional to 6,246.64, 8,620.12 and 3,452.08 is: 4,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.64 : 8,620.12 = 3,452.08 : x
  2. Step 2: Convert to fraction form
    6,246.64/8,620.12 = 3,452.08/x
  3. Step 3: Cross multiply
    6,246.64x = 8,620.12 × 3,452.08
  4. Step 4: Simplify right side
    6,246.64x = 29,757,343.85
  5. Step 5: Solve for x
    x = 29,757,343.85/6,246.64
  6. Step 6: Final answer
    x = 4,763.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.