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Finding the Fourth Proportional to 5,553.14, 8,329.80 and 1,449.14

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Solution

The fourth proportional to 5,553.14, 8,329.80 and 1,449.14 is: 2,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.14 : 8,329.80 = 1,449.14 : x
  2. Step 2: Convert to fraction form
    5,553.14/8,329.80 = 1,449.14/x
  3. Step 3: Cross multiply
    5,553.14x = 8,329.80 × 1,449.14
  4. Step 4: Simplify right side
    5,553.14x = 12,071,046.37
  5. Step 5: Solve for x
    x = 12,071,046.37/5,553.14
  6. Step 6: Final answer
    x = 2,173.73

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1.5x scale

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.