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Finding the Fourth Proportional to 6,394.20, 8,824.86 and 3,600.24

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Solution

The fourth proportional to 6,394.20, 8,824.86 and 3,600.24 is: 4,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.20 : 8,824.86 = 3,600.24 : x
  2. Step 2: Convert to fraction form
    6,394.20/8,824.86 = 3,600.24/x
  3. Step 3: Cross multiply
    6,394.20x = 8,824.86 × 3,600.24
  4. Step 4: Simplify right side
    6,394.20x = 31,771,613.97
  5. Step 5: Solve for x
    x = 31,771,613.97/6,394.20
  6. Step 6: Final answer
    x = 4,968.82

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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.