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Finding the Fourth Proportional to 3,435.72, 5,152.50 and 1,791.38

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Solution

The fourth proportional to 3,435.72, 5,152.50 and 1,791.38 is: 2,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.72 : 5,152.50 = 1,791.38 : x
  2. Step 2: Convert to fraction form
    3,435.72/5,152.50 = 1,791.38/x
  3. Step 3: Cross multiply
    3,435.72x = 5,152.50 × 1,791.38
  4. Step 4: Simplify right side
    3,435.72x = 9,230,085.45
  5. Step 5: Solve for x
    x = 9,230,085.45/3,435.72
  6. Step 6: Final answer
    x = 2,686.51

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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.