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Finding the Fourth Proportional to 3,523.66, 5,283.43 and 1,332.54

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Solution

The fourth proportional to 3,523.66, 5,283.43 and 1,332.54 is: 1,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.66 : 5,283.43 = 1,332.54 : x
  2. Step 2: Convert to fraction form
    3,523.66/5,283.43 = 1,332.54/x
  3. Step 3: Cross multiply
    3,523.66x = 5,283.43 × 1,332.54
  4. Step 4: Simplify right side
    3,523.66x = 7,040,378.48
  5. Step 5: Solve for x
    x = 7,040,378.48/3,523.66
  6. Step 6: Final answer
    x = 1,998.03

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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.