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Finding the Fourth Proportional to 7,224.80, 10,837.80 and 2,294.30

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Solution

The fourth proportional to 7,224.80, 10,837.80 and 2,294.30 is: 3,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.80 : 10,837.80 = 2,294.30 : x
  2. Step 2: Convert to fraction form
    7,224.80/10,837.80 = 2,294.30/x
  3. Step 3: Cross multiply
    7,224.80x = 10,837.80 × 2,294.30
  4. Step 4: Simplify right side
    7,224.80x = 24,865,164.54
  5. Step 5: Solve for x
    x = 24,865,164.54/7,224.80
  6. Step 6: Final answer
    x = 3,441.64

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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.