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Finding the Fourth Proportional to 1,632.79, 2,250.03 and 1,612.36

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Solution

The fourth proportional to 1,632.79, 2,250.03 and 1,612.36 is: 2,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.79 : 2,250.03 = 1,612.36 : x
  2. Step 2: Convert to fraction form
    1,632.79/2,250.03 = 1,612.36/x
  3. Step 3: Cross multiply
    1,632.79x = 2,250.03 × 1,612.36
  4. Step 4: Simplify right side
    1,632.79x = 3,627,858.37
  5. Step 5: Solve for x
    x = 3,627,858.37/1,632.79
  6. Step 6: Final answer
    x = 2,221.88

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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.