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Finding the Fourth Proportional to 13,475.97, 20,219.84 and 4,717.17

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Solution

The fourth proportional to 13,475.97, 20,219.84 and 4,717.17 is: 7,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.97 : 20,219.84 = 4,717.17 : x
  2. Step 2: Convert to fraction form
    13,475.97/20,219.84 = 4,717.17/x
  3. Step 3: Cross multiply
    13,475.97x = 20,219.84 × 4,717.17
  4. Step 4: Simplify right side
    13,475.97x = 95,380,422.65
  5. Step 5: Solve for x
    x = 95,380,422.65/13,475.97
  6. Step 6: Final answer
    x = 7,077.82

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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.