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Finding the Fourth Proportional to 3,165.92, 4,745.50 and 1,607.08

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Solution

The fourth proportional to 3,165.92, 4,745.50 and 1,607.08 is: 2,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.92 : 4,745.50 = 1,607.08 : x
  2. Step 2: Convert to fraction form
    3,165.92/4,745.50 = 1,607.08/x
  3. Step 3: Cross multiply
    3,165.92x = 4,745.50 × 1,607.08
  4. Step 4: Simplify right side
    3,165.92x = 7,626,398.14
  5. Step 5: Solve for x
    x = 7,626,398.14/3,165.92
  6. Step 6: Final answer
    x = 2,408.90

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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.