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Finding the Fourth Proportional to 1,373.11, 2,061.55 and 1,168.99

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Solution

The fourth proportional to 1,373.11, 2,061.55 and 1,168.99 is: 1,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.11 : 2,061.55 = 1,168.99 : x
  2. Step 2: Convert to fraction form
    1,373.11/2,061.55 = 1,168.99/x
  3. Step 3: Cross multiply
    1,373.11x = 2,061.55 × 1,168.99
  4. Step 4: Simplify right side
    1,373.11x = 2,409,921.03
  5. Step 5: Solve for x
    x = 2,409,921.03/1,373.11
  6. Step 6: Final answer
    x = 1,755.09

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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.