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Finding the Fourth Proportional to 12,111.03, 16,713.52 and 6,805.71

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Solution

The fourth proportional to 12,111.03, 16,713.52 and 6,805.71 is: 9,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111.03 : 16,713.52 = 6,805.71 : x
  2. Step 2: Convert to fraction form
    12,111.03/16,713.52 = 6,805.71/x
  3. Step 3: Cross multiply
    12,111.03x = 16,713.52 × 6,805.71
  4. Step 4: Simplify right side
    12,111.03x = 113,747,353.18
  5. Step 5: Solve for x
    x = 113,747,353.18/12,111.03
  6. Step 6: Final answer
    x = 9,392.05

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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.