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Finding the Fourth Proportional to 2,882.36, 4,324.08 and 934.32

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Solution

The fourth proportional to 2,882.36, 4,324.08 and 934.32 is: 1,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.36 : 4,324.08 = 934.32 : x
  2. Step 2: Convert to fraction form
    2,882.36/4,324.08 = 934.32/x
  3. Step 3: Cross multiply
    2,882.36x = 4,324.08 × 934.32
  4. Step 4: Simplify right side
    2,882.36x = 4,040,074.43
  5. Step 5: Solve for x
    x = 4,040,074.43/2,882.36
  6. Step 6: Final answer
    x = 1,401.66

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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.