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Finding the Fourth Proportional to 1,745.52, 2,408.92 and 1,155.02

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Solution

The fourth proportional to 1,745.52, 2,408.92 and 1,155.02 is: 1,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.52 : 2,408.92 = 1,155.02 : x
  2. Step 2: Convert to fraction form
    1,745.52/2,408.92 = 1,155.02/x
  3. Step 3: Cross multiply
    1,745.52x = 2,408.92 × 1,155.02
  4. Step 4: Simplify right side
    1,745.52x = 2,782,350.78
  5. Step 5: Solve for x
    x = 2,782,350.78/1,745.52
  6. Step 6: Final answer
    x = 1,594.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.