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Finding the Fourth Proportional to 13,900.83, 19,175.92 and 8,524.52

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Solution

The fourth proportional to 13,900.83, 19,175.92 and 8,524.52 is: 11,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.83 : 19,175.92 = 8,524.52 : x
  2. Step 2: Convert to fraction form
    13,900.83/19,175.92 = 8,524.52/x
  3. Step 3: Cross multiply
    13,900.83x = 19,175.92 × 8,524.52
  4. Step 4: Simplify right side
    13,900.83x = 163,465,468.28
  5. Step 5: Solve for x
    x = 163,465,468.28/13,900.83
  6. Step 6: Final answer
    x = 11,759.41

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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.