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Finding the Fourth Proportional to 2,436.82, 3,655.13 and 793.33

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Solution

The fourth proportional to 2,436.82, 3,655.13 and 793.33 is: 1,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.82 : 3,655.13 = 793.33 : x
  2. Step 2: Convert to fraction form
    2,436.82/3,655.13 = 793.33/x
  3. Step 3: Cross multiply
    2,436.82x = 3,655.13 × 793.33
  4. Step 4: Simplify right side
    2,436.82x = 2,899,711.18
  5. Step 5: Solve for x
    x = 2,899,711.18/2,436.82
  6. Step 6: Final answer
    x = 1,189.96

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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.