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Finding the Fourth Proportional to 3,328.52, 4,993.50 and 1,248.44

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Solution

The fourth proportional to 3,328.52, 4,993.50 and 1,248.44 is: 1,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.52 : 4,993.50 = 1,248.44 : x
  2. Step 2: Convert to fraction form
    3,328.52/4,993.50 = 1,248.44/x
  3. Step 3: Cross multiply
    3,328.52x = 4,993.50 × 1,248.44
  4. Step 4: Simplify right side
    3,328.52x = 6,234,085.14
  5. Step 5: Solve for x
    x = 6,234,085.14/3,328.52
  6. Step 6: Final answer
    x = 1,872.93

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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.