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Finding the Fourth Proportional to 2,833.18, 4,249.98 and 885.38

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Solution

The fourth proportional to 2,833.18, 4,249.98 and 885.38 is: 1,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.18 : 4,249.98 = 885.38 : x
  2. Step 2: Convert to fraction form
    2,833.18/4,249.98 = 885.38/x
  3. Step 3: Cross multiply
    2,833.18x = 4,249.98 × 885.38
  4. Step 4: Simplify right side
    2,833.18x = 3,762,826.04
  5. Step 5: Solve for x
    x = 3,762,826.04/2,833.18
  6. Step 6: Final answer
    x = 1,328.13

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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.