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Finding the Fourth Proportional to 5,008.62, 6,912.88 and 2,913.14

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Solution

The fourth proportional to 5,008.62, 6,912.88 and 2,913.14 is: 4,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.62 : 6,912.88 = 2,913.14 : x
  2. Step 2: Convert to fraction form
    5,008.62/6,912.88 = 2,913.14/x
  3. Step 3: Cross multiply
    5,008.62x = 6,912.88 × 2,913.14
  4. Step 4: Simplify right side
    5,008.62x = 20,138,187.24
  5. Step 5: Solve for x
    x = 20,138,187.24/5,008.62
  6. Step 6: Final answer
    x = 4,020.71

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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.