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Finding the Fourth Proportional to 5,040.92, 6,957.04 and 2,916.98

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Solution

The fourth proportional to 5,040.92, 6,957.04 and 2,916.98 is: 4,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.92 : 6,957.04 = 2,916.98 : x
  2. Step 2: Convert to fraction form
    5,040.92/6,957.04 = 2,916.98/x
  3. Step 3: Cross multiply
    5,040.92x = 6,957.04 × 2,916.98
  4. Step 4: Simplify right side
    5,040.92x = 20,293,546.54
  5. Step 5: Solve for x
    x = 20,293,546.54/5,040.92
  6. Step 6: Final answer
    x = 4,025.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.