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Finding the Fourth Proportional to 7,195.75, 9,930.17 and 4,051.99

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Solution

The fourth proportional to 7,195.75, 9,930.17 and 4,051.99 is: 5,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.75 : 9,930.17 = 4,051.99 : x
  2. Step 2: Convert to fraction form
    7,195.75/9,930.17 = 4,051.99/x
  3. Step 3: Cross multiply
    7,195.75x = 9,930.17 × 4,051.99
  4. Step 4: Simplify right side
    7,195.75x = 40,236,929.28
  5. Step 5: Solve for x
    x = 40,236,929.28/7,195.75
  6. Step 6: Final answer
    x = 5,591.76

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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.