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Finding the Fourth Proportional to 2,882.96, 4,324.38 and 935.16

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Solution

The fourth proportional to 2,882.96, 4,324.38 and 935.16 is: 1,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.96 : 4,324.38 = 935.16 : x
  2. Step 2: Convert to fraction form
    2,882.96/4,324.38 = 935.16/x
  3. Step 3: Cross multiply
    2,882.96x = 4,324.38 × 935.16
  4. Step 4: Simplify right side
    2,882.96x = 4,043,987.20
  5. Step 5: Solve for x
    x = 4,043,987.20/2,882.96
  6. Step 6: Final answer
    x = 1,402.72

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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.