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Finding the Fourth Proportional to 13,254.62, 19,882.62 and 3,393.96

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Solution

The fourth proportional to 13,254.62, 19,882.62 and 3,393.96 is: 5,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.62 : 19,882.62 = 3,393.96 : x
  2. Step 2: Convert to fraction form
    13,254.62/19,882.62 = 3,393.96/x
  3. Step 3: Cross multiply
    13,254.62x = 19,882.62 × 3,393.96
  4. Step 4: Simplify right side
    13,254.62x = 67,480,816.98
  5. Step 5: Solve for x
    x = 67,480,816.98/13,254.62
  6. Step 6: Final answer
    x = 5,091.12

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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.