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Finding the Fourth Proportional to 2,882.82, 4,324.23 and 802.74

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Solution

The fourth proportional to 2,882.82, 4,324.23 and 802.74 is: 1,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.82 : 4,324.23 = 802.74 : x
  2. Step 2: Convert to fraction form
    2,882.82/4,324.23 = 802.74/x
  3. Step 3: Cross multiply
    2,882.82x = 4,324.23 × 802.74
  4. Step 4: Simplify right side
    2,882.82x = 3,471,232.39
  5. Step 5: Solve for x
    x = 3,471,232.39/2,882.82
  6. Step 6: Final answer
    x = 1,204.11

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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.