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Finding the Fourth Proportional to 9,800.73, 13,524.82 and 5,551.73

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Solution

The fourth proportional to 9,800.73, 13,524.82 and 5,551.73 is: 7,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.73 : 13,524.82 = 5,551.73 : x
  2. Step 2: Convert to fraction form
    9,800.73/13,524.82 = 5,551.73/x
  3. Step 3: Cross multiply
    9,800.73x = 13,524.82 × 5,551.73
  4. Step 4: Simplify right side
    9,800.73x = 75,086,168.87
  5. Step 5: Solve for x
    x = 75,086,168.87/9,800.73
  6. Step 6: Final answer
    x = 7,661.28

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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.