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Finding the Fourth Proportional to 2,435.30, 3,652.17 and 791.45

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Solution

The fourth proportional to 2,435.30, 3,652.17 and 791.45 is: 1,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.30 : 3,652.17 = 791.45 : x
  2. Step 2: Convert to fraction form
    2,435.30/3,652.17 = 791.45/x
  3. Step 3: Cross multiply
    2,435.30x = 3,652.17 × 791.45
  4. Step 4: Simplify right side
    2,435.30x = 2,890,509.95
  5. Step 5: Solve for x
    x = 2,890,509.95/2,435.30
  6. Step 6: Final answer
    x = 1,186.92

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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.