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Finding the Fourth Proportional to 1,351.73, 2,024.49 and 889.36

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Solution

The fourth proportional to 1,351.73, 2,024.49 and 889.36 is: 1,332.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.73 : 2,024.49 = 889.36 : x
  2. Step 2: Convert to fraction form
    1,351.73/2,024.49 = 889.36/x
  3. Step 3: Cross multiply
    1,351.73x = 2,024.49 × 889.36
  4. Step 4: Simplify right side
    1,351.73x = 1,800,500.43
  5. Step 5: Solve for x
    x = 1,800,500.43/1,351.73
  6. Step 6: Final answer
    x = 1,332.00

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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.