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Finding the Fourth Proportional to 6,298.24, 8,691.36 and 3,503.68

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Solution

The fourth proportional to 6,298.24, 8,691.36 and 3,503.68 is: 4,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,298.24 : 8,691.36 = 3,503.68 : x
  2. Step 2: Convert to fraction form
    6,298.24/8,691.36 = 3,503.68/x
  3. Step 3: Cross multiply
    6,298.24x = 8,691.36 × 3,503.68
  4. Step 4: Simplify right side
    6,298.24x = 30,451,744.20
  5. Step 5: Solve for x
    x = 30,451,744.20/6,298.24
  6. Step 6: Final answer
    x = 4,834.96

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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.