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Finding the Fourth Proportional to 3,686.48, 5,530.24 and 1,494.70

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Solution

The fourth proportional to 3,686.48, 5,530.24 and 1,494.70 is: 2,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.48 : 5,530.24 = 1,494.70 : x
  2. Step 2: Convert to fraction form
    3,686.48/5,530.24 = 1,494.70/x
  3. Step 3: Cross multiply
    3,686.48x = 5,530.24 × 1,494.70
  4. Step 4: Simplify right side
    3,686.48x = 8,266,049.73
  5. Step 5: Solve for x
    x = 8,266,049.73/3,686.48
  6. Step 6: Final answer
    x = 2,242.26

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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.