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Finding the Fourth Proportional to 2,193.06, 3,289.66 and 732.34

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Solution

The fourth proportional to 2,193.06, 3,289.66 and 732.34 is: 1,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.06 : 3,289.66 = 732.34 : x
  2. Step 2: Convert to fraction form
    2,193.06/3,289.66 = 732.34/x
  3. Step 3: Cross multiply
    2,193.06x = 3,289.66 × 732.34
  4. Step 4: Simplify right side
    2,193.06x = 2,409,149.60
  5. Step 5: Solve for x
    x = 2,409,149.60/2,193.06
  6. Step 6: Final answer
    x = 1,098.53

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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.