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Finding the Fourth Proportional to 7,274.57, 10,917.28 and 2,832.93

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Solution

The fourth proportional to 7,274.57, 10,917.28 and 2,832.93 is: 4,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.57 : 10,917.28 = 2,832.93 : x
  2. Step 2: Convert to fraction form
    7,274.57/10,917.28 = 2,832.93/x
  3. Step 3: Cross multiply
    7,274.57x = 10,917.28 × 2,832.93
  4. Step 4: Simplify right side
    7,274.57x = 30,927,882.95
  5. Step 5: Solve for x
    x = 30,927,882.95/7,274.57
  6. Step 6: Final answer
    x = 4,251.51

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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.