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Finding the Fourth Proportional to 6,296.88, 8,669.88 and 5,350.80

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Solution

The fourth proportional to 6,296.88, 8,669.88 and 5,350.80 is: 7,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296.88 : 8,669.88 = 5,350.80 : x
  2. Step 2: Convert to fraction form
    6,296.88/8,669.88 = 5,350.80/x
  3. Step 3: Cross multiply
    6,296.88x = 8,669.88 × 5,350.80
  4. Step 4: Simplify right side
    6,296.88x = 46,390,793.90
  5. Step 5: Solve for x
    x = 46,390,793.90/6,296.88
  6. Step 6: Final answer
    x = 7,367.27

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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.