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Finding the Fourth Proportional to 23,349.11, 32,221.88 and 12,738.98

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Solution

The fourth proportional to 23,349.11, 32,221.88 and 12,738.98 is: 17,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,349.11 : 32,221.88 = 12,738.98 : x
  2. Step 2: Convert to fraction form
    23,349.11/32,221.88 = 12,738.98/x
  3. Step 3: Cross multiply
    23,349.11x = 32,221.88 × 12,738.98
  4. Step 4: Simplify right side
    23,349.11x = 410,473,660.08
  5. Step 5: Solve for x
    x = 410,473,660.08/23,349.11
  6. Step 6: Final answer
    x = 17,579.85

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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.