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Finding the Fourth Proportional to 6,296.52, 8,689.53 and 3,778.80

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Solution

The fourth proportional to 6,296.52, 8,689.53 and 3,778.80 is: 5,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296.52 : 8,689.53 = 3,778.80 : x
  2. Step 2: Convert to fraction form
    6,296.52/8,689.53 = 3,778.80/x
  3. Step 3: Cross multiply
    6,296.52x = 8,689.53 × 3,778.80
  4. Step 4: Simplify right side
    6,296.52x = 32,835,995.96
  5. Step 5: Solve for x
    x = 32,835,995.96/6,296.52
  6. Step 6: Final answer
    x = 5,214.94

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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.