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Finding the Fourth Proportional to 1,908.54, 2,632.23 and 1,614.78

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Solution

The fourth proportional to 1,908.54, 2,632.23 and 1,614.78 is: 2,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.54 : 2,632.23 = 1,614.78 : x
  2. Step 2: Convert to fraction form
    1,908.54/2,632.23 = 1,614.78/x
  3. Step 3: Cross multiply
    1,908.54x = 2,632.23 × 1,614.78
  4. Step 4: Simplify right side
    1,908.54x = 4,250,472.36
  5. Step 5: Solve for x
    x = 4,250,472.36/1,908.54
  6. Step 6: Final answer
    x = 2,227.08

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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.