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Finding the Fourth Proportional to 1,824.54, 2,737.80 and 1,324.26

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Solution

The fourth proportional to 1,824.54, 2,737.80 and 1,324.26 is: 1,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.54 : 2,737.80 = 1,324.26 : x
  2. Step 2: Convert to fraction form
    1,824.54/2,737.80 = 1,324.26/x
  3. Step 3: Cross multiply
    1,824.54x = 2,737.80 × 1,324.26
  4. Step 4: Simplify right side
    1,824.54x = 3,625,559.03
  5. Step 5: Solve for x
    x = 3,625,559.03/1,824.54
  6. Step 6: Final answer
    x = 1,987.11

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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.