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Finding the Fourth Proportional to 14,487.66, 19,992.02 and 8,113.14

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Solution

The fourth proportional to 14,487.66, 19,992.02 and 8,113.14 is: 11,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.66 : 19,992.02 = 8,113.14 : x
  2. Step 2: Convert to fraction form
    14,487.66/19,992.02 = 8,113.14/x
  3. Step 3: Cross multiply
    14,487.66x = 19,992.02 × 8,113.14
  4. Step 4: Simplify right side
    14,487.66x = 162,198,016.58
  5. Step 5: Solve for x
    x = 162,198,016.58/14,487.66
  6. Step 6: Final answer
    x = 11,195.60

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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.