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Finding the Fourth Proportional to 5,008.27, 6,912.27 and 2,913.61

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Solution

The fourth proportional to 5,008.27, 6,912.27 and 2,913.61 is: 4,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.27 : 6,912.27 = 2,913.61 : x
  2. Step 2: Convert to fraction form
    5,008.27/6,912.27 = 2,913.61/x
  3. Step 3: Cross multiply
    5,008.27x = 6,912.27 × 2,913.61
  4. Step 4: Simplify right side
    5,008.27x = 20,139,658.99
  5. Step 5: Solve for x
    x = 20,139,658.99/5,008.27
  6. Step 6: Final answer
    x = 4,021.28

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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.