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Finding the Fourth Proportional to 22,295.70, 33,431.40 and 9,133.20

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Solution

The fourth proportional to 22,295.70, 33,431.40 and 9,133.20 is: 13,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.70 : 33,431.40 = 9,133.20 : x
  2. Step 2: Convert to fraction form
    22,295.70/33,431.40 = 9,133.20/x
  3. Step 3: Cross multiply
    22,295.70x = 33,431.40 × 9,133.20
  4. Step 4: Simplify right side
    22,295.70x = 305,335,662.48
  5. Step 5: Solve for x
    x = 305,335,662.48/22,295.70
  6. Step 6: Final answer
    x = 13,694.82

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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.