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Finding the Fourth Proportional to 3,168.43, 4,373.52 and 2,176.99

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Solution

The fourth proportional to 3,168.43, 4,373.52 and 2,176.99 is: 3,004.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.43 : 4,373.52 = 2,176.99 : x
  2. Step 2: Convert to fraction form
    3,168.43/4,373.52 = 2,176.99/x
  3. Step 3: Cross multiply
    3,168.43x = 4,373.52 × 2,176.99
  4. Step 4: Simplify right side
    3,168.43x = 9,521,109.30
  5. Step 5: Solve for x
    x = 9,521,109.30/3,168.43
  6. Step 6: Final answer
    x = 3,004.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.