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Finding the Fourth Proportional to 9,951.20, 13,727.04 and 5,758.88

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Solution

The fourth proportional to 9,951.20, 13,727.04 and 5,758.88 is: 7,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.20 : 13,727.04 = 5,758.88 : x
  2. Step 2: Convert to fraction form
    9,951.20/13,727.04 = 5,758.88/x
  3. Step 3: Cross multiply
    9,951.20x = 13,727.04 × 5,758.88
  4. Step 4: Simplify right side
    9,951.20x = 79,052,376.12
  5. Step 5: Solve for x
    x = 79,052,376.12/9,951.20
  6. Step 6: Final answer
    x = 7,944.00

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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.