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Finding the Fourth Proportional to 7,229.47, 10,845.74 and 2,549.29

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Solution

The fourth proportional to 7,229.47, 10,845.74 and 2,549.29 is: 3,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.47 : 10,845.74 = 2,549.29 : x
  2. Step 2: Convert to fraction form
    7,229.47/10,845.74 = 2,549.29/x
  3. Step 3: Cross multiply
    7,229.47x = 10,845.74 × 2,549.29
  4. Step 4: Simplify right side
    7,229.47x = 27,648,936.52
  5. Step 5: Solve for x
    x = 27,648,936.52/7,229.47
  6. Step 6: Final answer
    x = 3,824.48

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1.5x scale

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.