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Finding the Fourth Proportional to 3,969.88, 5,956.02 and 1,373.08

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Solution

The fourth proportional to 3,969.88, 5,956.02 and 1,373.08 is: 2,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.88 : 5,956.02 = 1,373.08 : x
  2. Step 2: Convert to fraction form
    3,969.88/5,956.02 = 1,373.08/x
  3. Step 3: Cross multiply
    3,969.88x = 5,956.02 × 1,373.08
  4. Step 4: Simplify right side
    3,969.88x = 8,178,091.94
  5. Step 5: Solve for x
    x = 8,178,091.94/3,969.88
  6. Step 6: Final answer
    x = 2,060.04

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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.