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Finding the Fourth Proportional to 6,332.88, 8,739.21 and 3,500.49

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Solution

The fourth proportional to 6,332.88, 8,739.21 and 3,500.49 is: 4,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,332.88 : 8,739.21 = 3,500.49 : x
  2. Step 2: Convert to fraction form
    6,332.88/8,739.21 = 3,500.49/x
  3. Step 3: Cross multiply
    6,332.88x = 8,739.21 × 3,500.49
  4. Step 4: Simplify right side
    6,332.88x = 30,591,517.21
  5. Step 5: Solve for x
    x = 30,591,517.21/6,332.88
  6. Step 6: Final answer
    x = 4,830.59

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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.