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Finding the Fourth Proportional to 2,333.78, 3,502.86 and 854.44

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Solution

The fourth proportional to 2,333.78, 3,502.86 and 854.44 is: 1,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.78 : 3,502.86 = 854.44 : x
  2. Step 2: Convert to fraction form
    2,333.78/3,502.86 = 854.44/x
  3. Step 3: Cross multiply
    2,333.78x = 3,502.86 × 854.44
  4. Step 4: Simplify right side
    2,333.78x = 2,992,983.70
  5. Step 5: Solve for x
    x = 2,992,983.70/2,333.78
  6. Step 6: Final answer
    x = 1,282.46

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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.