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Finding the Fourth Proportional to 5,593.96, 7,719.71 and 3,355.93

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Solution

The fourth proportional to 5,593.96, 7,719.71 and 3,355.93 is: 4,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.96 : 7,719.71 = 3,355.93 : x
  2. Step 2: Convert to fraction form
    5,593.96/7,719.71 = 3,355.93/x
  3. Step 3: Cross multiply
    5,593.96x = 7,719.71 × 3,355.93
  4. Step 4: Simplify right side
    5,593.96x = 25,906,799.25
  5. Step 5: Solve for x
    x = 25,906,799.25/5,593.96
  6. Step 6: Final answer
    x = 4,631.21

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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.