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Finding the Fourth Proportional to 6,908.96, 10,357.76 and 2,747.18

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Solution

The fourth proportional to 6,908.96, 10,357.76 and 2,747.18 is: 4,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.96 : 10,357.76 = 2,747.18 : x
  2. Step 2: Convert to fraction form
    6,908.96/10,357.76 = 2,747.18/x
  3. Step 3: Cross multiply
    6,908.96x = 10,357.76 × 2,747.18
  4. Step 4: Simplify right side
    6,908.96x = 28,454,631.12
  5. Step 5: Solve for x
    x = 28,454,631.12/6,908.96
  6. Step 6: Final answer
    x = 4,118.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.