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Finding the Fourth Proportional to 1,732.54, 2,599.44 and 745.55

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Solution

The fourth proportional to 1,732.54, 2,599.44 and 745.55 is: 1,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.54 : 2,599.44 = 745.55 : x
  2. Step 2: Convert to fraction form
    1,732.54/2,599.44 = 745.55/x
  3. Step 3: Cross multiply
    1,732.54x = 2,599.44 × 745.55
  4. Step 4: Simplify right side
    1,732.54x = 1,938,012.49
  5. Step 5: Solve for x
    x = 1,938,012.49/1,732.54
  6. Step 6: Final answer
    x = 1,118.60

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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.