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Finding the Fourth Proportional to 16,825.56, 25,219.98 and 6,959.58

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Solution

The fourth proportional to 16,825.56, 25,219.98 and 6,959.58 is: 10,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.56 : 25,219.98 = 6,959.58 : x
  2. Step 2: Convert to fraction form
    16,825.56/25,219.98 = 6,959.58/x
  3. Step 3: Cross multiply
    16,825.56x = 25,219.98 × 6,959.58
  4. Step 4: Simplify right side
    16,825.56x = 175,520,468.41
  5. Step 5: Solve for x
    x = 175,520,468.41/16,825.56
  6. Step 6: Final answer
    x = 10,431.78

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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.