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Finding the Fourth Proportional to 2,882.42, 4,322.76 and 801.92

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Solution

The fourth proportional to 2,882.42, 4,322.76 and 801.92 is: 1,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.42 : 4,322.76 = 801.92 : x
  2. Step 2: Convert to fraction form
    2,882.42/4,322.76 = 801.92/x
  3. Step 3: Cross multiply
    2,882.42x = 4,322.76 × 801.92
  4. Step 4: Simplify right side
    2,882.42x = 3,466,507.70
  5. Step 5: Solve for x
    x = 3,466,507.70/2,882.42
  6. Step 6: Final answer
    x = 1,202.64

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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.