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Finding the Fourth Proportional to 9,033.73, 12,463.22 and 5,629.20

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Solution

The fourth proportional to 9,033.73, 12,463.22 and 5,629.20 is: 7,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,033.73 : 12,463.22 = 5,629.20 : x
  2. Step 2: Convert to fraction form
    9,033.73/12,463.22 = 5,629.20/x
  3. Step 3: Cross multiply
    9,033.73x = 12,463.22 × 5,629.20
  4. Step 4: Simplify right side
    9,033.73x = 70,157,893.70
  5. Step 5: Solve for x
    x = 70,157,893.70/9,033.73
  6. Step 6: Final answer
    x = 7,766.22

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1.5x scale

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.