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Finding the Fourth Proportional to 7,274.62, 10,910.90 and 2,343.68

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Solution

The fourth proportional to 7,274.62, 10,910.90 and 2,343.68 is: 3,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.62 : 10,910.90 = 2,343.68 : x
  2. Step 2: Convert to fraction form
    7,274.62/10,910.90 = 2,343.68/x
  3. Step 3: Cross multiply
    7,274.62x = 10,910.90 × 2,343.68
  4. Step 4: Simplify right side
    7,274.62x = 25,571,658.11
  5. Step 5: Solve for x
    x = 25,571,658.11/7,274.62
  6. Step 6: Final answer
    x = 3,515.19

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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.