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Finding the Fourth Proportional to 7,274.68, 10,912.68 and 2,343.16

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Solution

The fourth proportional to 7,274.68, 10,912.68 and 2,343.16 is: 3,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.68 : 10,912.68 = 2,343.16 : x
  2. Step 2: Convert to fraction form
    7,274.68/10,912.68 = 2,343.16/x
  3. Step 3: Cross multiply
    7,274.68x = 10,912.68 × 2,343.16
  4. Step 4: Simplify right side
    7,274.68x = 25,570,155.27
  5. Step 5: Solve for x
    x = 25,570,155.27/7,274.68
  6. Step 6: Final answer
    x = 3,514.95

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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.