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Finding the Fourth Proportional to 1,445.62, 2,168.75 and 796.02

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Solution

The fourth proportional to 1,445.62, 2,168.75 and 796.02 is: 1,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.62 : 2,168.75 = 796.02 : x
  2. Step 2: Convert to fraction form
    1,445.62/2,168.75 = 796.02/x
  3. Step 3: Cross multiply
    1,445.62x = 2,168.75 × 796.02
  4. Step 4: Simplify right side
    1,445.62x = 1,726,368.38
  5. Step 5: Solve for x
    x = 1,726,368.38/1,445.62
  6. Step 6: Final answer
    x = 1,194.21

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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.