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Finding the Fourth Proportional to 3,768.66, 5,652.99 and 1,171.62

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Solution

The fourth proportional to 3,768.66, 5,652.99 and 1,171.62 is: 1,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.66 : 5,652.99 = 1,171.62 : x
  2. Step 2: Convert to fraction form
    3,768.66/5,652.99 = 1,171.62/x
  3. Step 3: Cross multiply
    3,768.66x = 5,652.99 × 1,171.62
  4. Step 4: Simplify right side
    3,768.66x = 6,623,156.14
  5. Step 5: Solve for x
    x = 6,623,156.14/3,768.66
  6. Step 6: Final answer
    x = 1,757.43

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1.5x scale

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.