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Finding the Fourth Proportional to 3,295.89, 4,943.13 and 955.38

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Solution

The fourth proportional to 3,295.89, 4,943.13 and 955.38 is: 1,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.89 : 4,943.13 = 955.38 : x
  2. Step 2: Convert to fraction form
    3,295.89/4,943.13 = 955.38/x
  3. Step 3: Cross multiply
    3,295.89x = 4,943.13 × 955.38
  4. Step 4: Simplify right side
    3,295.89x = 4,722,567.54
  5. Step 5: Solve for x
    x = 4,722,567.54/3,295.89
  6. Step 6: Final answer
    x = 1,432.87

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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.