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Finding the Fourth Proportional to 3,651.44, 5,442.47 and 3,443.87

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Solution

The fourth proportional to 3,651.44, 5,442.47 and 3,443.87 is: 5,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.44 : 5,442.47 = 3,443.87 : x
  2. Step 2: Convert to fraction form
    3,651.44/5,442.47 = 3,443.87/x
  3. Step 3: Cross multiply
    3,651.44x = 5,442.47 × 3,443.87
  4. Step 4: Simplify right side
    3,651.44x = 18,743,159.16
  5. Step 5: Solve for x
    x = 18,743,159.16/3,651.44
  6. Step 6: Final answer
    x = 5,133.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.