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Finding the Fourth Proportional to 1,745.70, 2,619.03 and 758.01

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Solution

The fourth proportional to 1,745.70, 2,619.03 and 758.01 is: 1,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.70 : 2,619.03 = 758.01 : x
  2. Step 2: Convert to fraction form
    1,745.70/2,619.03 = 758.01/x
  3. Step 3: Cross multiply
    1,745.70x = 2,619.03 × 758.01
  4. Step 4: Simplify right side
    1,745.70x = 1,985,248.86
  5. Step 5: Solve for x
    x = 1,985,248.86/1,745.70
  6. Step 6: Final answer
    x = 1,137.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.