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Finding the Fourth Proportional to 5,719.21, 7,894.07 and 3,362.11

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Solution

The fourth proportional to 5,719.21, 7,894.07 and 3,362.11 is: 4,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.21 : 7,894.07 = 3,362.11 : x
  2. Step 2: Convert to fraction form
    5,719.21/7,894.07 = 3,362.11/x
  3. Step 3: Cross multiply
    5,719.21x = 7,894.07 × 3,362.11
  4. Step 4: Simplify right side
    5,719.21x = 26,540,731.69
  5. Step 5: Solve for x
    x = 26,540,731.69/5,719.21
  6. Step 6: Final answer
    x = 4,640.63

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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.