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Finding the Fourth Proportional to 2,883.32, 4,324.98 and 803.24

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Solution

The fourth proportional to 2,883.32, 4,324.98 and 803.24 is: 1,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.32 : 4,324.98 = 803.24 : x
  2. Step 2: Convert to fraction form
    2,883.32/4,324.98 = 803.24/x
  3. Step 3: Cross multiply
    2,883.32x = 4,324.98 × 803.24
  4. Step 4: Simplify right side
    2,883.32x = 3,473,996.94
  5. Step 5: Solve for x
    x = 3,473,996.94/2,883.32
  6. Step 6: Final answer
    x = 1,204.86

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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.