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Finding the Fourth Proportional to 5,294.39, 7,945.95 and 2,662.64

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Solution

The fourth proportional to 5,294.39, 7,945.95 and 2,662.64 is: 3,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.39 : 7,945.95 = 2,662.64 : x
  2. Step 2: Convert to fraction form
    5,294.39/7,945.95 = 2,662.64/x
  3. Step 3: Cross multiply
    5,294.39x = 7,945.95 × 2,662.64
  4. Step 4: Simplify right side
    5,294.39x = 21,157,204.31
  5. Step 5: Solve for x
    x = 21,157,204.31/5,294.39
  6. Step 6: Final answer
    x = 3,996.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.