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Finding the Fourth Proportional to 7,516.99, 11,274.13 and 2,251.86

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Solution

The fourth proportional to 7,516.99, 11,274.13 and 2,251.86 is: 3,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.99 : 11,274.13 = 2,251.86 : x
  2. Step 2: Convert to fraction form
    7,516.99/11,274.13 = 2,251.86/x
  3. Step 3: Cross multiply
    7,516.99x = 11,274.13 × 2,251.86
  4. Step 4: Simplify right side
    7,516.99x = 25,387,762.38
  5. Step 5: Solve for x
    x = 25,387,762.38/7,516.99
  6. Step 6: Final answer
    x = 3,377.38

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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.