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Finding the Fourth Proportional to 6,242.16, 8,613.88 and 3,447.60

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Solution

The fourth proportional to 6,242.16, 8,613.88 and 3,447.60 is: 4,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.16 : 8,613.88 = 3,447.60 : x
  2. Step 2: Convert to fraction form
    6,242.16/8,613.88 = 3,447.60/x
  3. Step 3: Cross multiply
    6,242.16x = 8,613.88 × 3,447.60
  4. Step 4: Simplify right side
    6,242.16x = 29,697,212.69
  5. Step 5: Solve for x
    x = 29,697,212.69/6,242.16
  6. Step 6: Final answer
    x = 4,757.52

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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.