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Finding the Fourth Proportional to 22,447.82, 33,679.79 and 9,619.60

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Solution

The fourth proportional to 22,447.82, 33,679.79 and 9,619.60 is: 14,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.82 : 33,679.79 = 9,619.60 : x
  2. Step 2: Convert to fraction form
    22,447.82/33,679.79 = 9,619.60/x
  3. Step 3: Cross multiply
    22,447.82x = 33,679.79 × 9,619.60
  4. Step 4: Simplify right side
    22,447.82x = 323,986,059.79
  5. Step 5: Solve for x
    x = 323,986,059.79/22,447.82
  6. Step 6: Final answer
    x = 14,432.85

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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.