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Finding the Fourth Proportional to 1,472.74, 2,028.09 and 1,468.42

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Solution

The fourth proportional to 1,472.74, 2,028.09 and 1,468.42 is: 2,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.74 : 2,028.09 = 1,468.42 : x
  2. Step 2: Convert to fraction form
    1,472.74/2,028.09 = 1,468.42/x
  3. Step 3: Cross multiply
    1,472.74x = 2,028.09 × 1,468.42
  4. Step 4: Simplify right side
    1,472.74x = 2,978,087.92
  5. Step 5: Solve for x
    x = 2,978,087.92/1,472.74
  6. Step 6: Final answer
    x = 2,022.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.