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Finding the Fourth Proportional to 13,898.52, 19,179.36 and 8,593.92

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Solution

The fourth proportional to 13,898.52, 19,179.36 and 8,593.92 is: 11,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.52 : 19,179.36 = 8,593.92 : x
  2. Step 2: Convert to fraction form
    13,898.52/19,179.36 = 8,593.92/x
  3. Step 3: Cross multiply
    13,898.52x = 19,179.36 × 8,593.92
  4. Step 4: Simplify right side
    13,898.52x = 164,825,885.49
  5. Step 5: Solve for x
    x = 164,825,885.49/13,898.52
  6. Step 6: Final answer
    x = 11,859.24

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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.