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Finding the Fourth Proportional to 6,757.13, 9,319.49 and 4,104.49

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Solution

The fourth proportional to 6,757.13, 9,319.49 and 4,104.49 is: 5,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.13 : 9,319.49 = 4,104.49 : x
  2. Step 2: Convert to fraction form
    6,757.13/9,319.49 = 4,104.49/x
  3. Step 3: Cross multiply
    6,757.13x = 9,319.49 × 4,104.49
  4. Step 4: Simplify right side
    6,757.13x = 38,251,686.39
  5. Step 5: Solve for x
    x = 38,251,686.39/6,757.13
  6. Step 6: Final answer
    x = 5,660.94

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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.