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Finding the Fourth Proportional to 3,248.86, 4,874 and 1,516.54

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Solution

The fourth proportional to 3,248.86, 4,874 and 1,516.54 is: 2,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.86 : 4,874 = 1,516.54 : x
  2. Step 2: Convert to fraction form
    3,248.86/4,874 = 1,516.54/x
  3. Step 3: Cross multiply
    3,248.86x = 4,874 × 1,516.54
  4. Step 4: Simplify right side
    3,248.86x = 7,391,591.59
  5. Step 5: Solve for x
    x = 7,391,591.59/3,248.86
  6. Step 6: Final answer
    x = 2,275.14

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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.