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Finding the Fourth Proportional to 5,000.27, 7,489.13 and 2,917.15

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Solution

The fourth proportional to 5,000.27, 7,489.13 and 2,917.15 is: 4,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.27 : 7,489.13 = 2,917.15 : x
  2. Step 2: Convert to fraction form
    5,000.27/7,489.13 = 2,917.15/x
  3. Step 3: Cross multiply
    5,000.27x = 7,489.13 × 2,917.15
  4. Step 4: Simplify right side
    5,000.27x = 21,846,915.58
  5. Step 5: Solve for x
    x = 21,846,915.58/5,000.27
  6. Step 6: Final answer
    x = 4,369.15

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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.