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Finding the Fourth Proportional to 1,745.52, 2,408.40 and 1,046.76

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Solution

The fourth proportional to 1,745.52, 2,408.40 and 1,046.76 is: 1,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.52 : 2,408.40 = 1,046.76 : x
  2. Step 2: Convert to fraction form
    1,745.52/2,408.40 = 1,046.76/x
  3. Step 3: Cross multiply
    1,745.52x = 2,408.40 × 1,046.76
  4. Step 4: Simplify right side
    1,745.52x = 2,521,016.78
  5. Step 5: Solve for x
    x = 2,521,016.78/1,745.52
  6. Step 6: Final answer
    x = 1,444.28

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