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Finding the Fourth Proportional to 1,731.38, 2,597.23 and 744.53

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Solution

The fourth proportional to 1,731.38, 2,597.23 and 744.53 is: 1,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.38 : 2,597.23 = 744.53 : x
  2. Step 2: Convert to fraction form
    1,731.38/2,597.23 = 744.53/x
  3. Step 3: Cross multiply
    1,731.38x = 2,597.23 × 744.53
  4. Step 4: Simplify right side
    1,731.38x = 1,933,703.60
  5. Step 5: Solve for x
    x = 1,933,703.60/1,731.38
  6. Step 6: Final answer
    x = 1,116.86

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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.