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Finding the Fourth Proportional to 7,208.95, 9,948.39 and 4,022.44

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Solution

The fourth proportional to 7,208.95, 9,948.39 and 4,022.44 is: 5,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.95 : 9,948.39 = 4,022.44 : x
  2. Step 2: Convert to fraction form
    7,208.95/9,948.39 = 4,022.44/x
  3. Step 3: Cross multiply
    7,208.95x = 9,948.39 × 4,022.44
  4. Step 4: Simplify right side
    7,208.95x = 40,016,752.13
  5. Step 5: Solve for x
    x = 40,016,752.13/7,208.95
  6. Step 6: Final answer
    x = 5,550.99

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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.