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Finding the Fourth Proportional to 14,494.42, 20,042.57 and 11,505.07

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Solution

The fourth proportional to 14,494.42, 20,042.57 and 11,505.07 is: 15,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.42 : 20,042.57 = 11,505.07 : x
  2. Step 2: Convert to fraction form
    14,494.42/20,042.57 = 11,505.07/x
  3. Step 3: Cross multiply
    14,494.42x = 20,042.57 × 11,505.07
  4. Step 4: Simplify right side
    14,494.42x = 230,591,119.74
  5. Step 5: Solve for x
    x = 230,591,119.74/14,494.42
  6. Step 6: Final answer
    x = 15,908.95

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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.