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Finding the Fourth Proportional to 16,687.32, 25,034.58 and 4,999.56

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Solution

The fourth proportional to 16,687.32, 25,034.58 and 4,999.56 is: 7,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.32 : 25,034.58 = 4,999.56 : x
  2. Step 2: Convert to fraction form
    16,687.32/25,034.58 = 4,999.56/x
  3. Step 3: Cross multiply
    16,687.32x = 25,034.58 × 4,999.56
  4. Step 4: Simplify right side
    16,687.32x = 125,161,884.78
  5. Step 5: Solve for x
    x = 125,161,884.78/16,687.32
  6. Step 6: Final answer
    x = 7,500.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.