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Finding the Fourth Proportional to 14,691.99, 20,272.10 and 8,725.53

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Solution

The fourth proportional to 14,691.99, 20,272.10 and 8,725.53 is: 12,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.99 : 20,272.10 = 8,725.53 : x
  2. Step 2: Convert to fraction form
    14,691.99/20,272.10 = 8,725.53/x
  3. Step 3: Cross multiply
    14,691.99x = 20,272.10 × 8,725.53
  4. Step 4: Simplify right side
    14,691.99x = 176,884,773.09
  5. Step 5: Solve for x
    x = 176,884,773.09/14,691.99
  6. Step 6: Final answer
    x = 12,039.54

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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.