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Finding the Fourth Proportional to 5,593.78, 7,719.14 and 3,355.22

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Solution

The fourth proportional to 5,593.78, 7,719.14 and 3,355.22 is: 4,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.78 : 7,719.14 = 3,355.22 : x
  2. Step 2: Convert to fraction form
    5,593.78/7,719.14 = 3,355.22/x
  3. Step 3: Cross multiply
    5,593.78x = 7,719.14 × 3,355.22
  4. Step 4: Simplify right side
    5,593.78x = 25,899,440.60
  5. Step 5: Solve for x
    x = 25,899,440.60/5,593.78
  6. Step 6: Final answer
    x = 4,630.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.