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Finding the Fourth Proportional to 22,906.40, 34,361.20 and 9,053.60

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Solution

The fourth proportional to 22,906.40, 34,361.20 and 9,053.60 is: 13,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906.40 : 34,361.20 = 9,053.60 : x
  2. Step 2: Convert to fraction form
    22,906.40/34,361.20 = 9,053.60/x
  3. Step 3: Cross multiply
    22,906.40x = 34,361.20 × 9,053.60
  4. Step 4: Simplify right side
    22,906.40x = 311,092,560.32
  5. Step 5: Solve for x
    x = 311,092,560.32/22,906.40
  6. Step 6: Final answer
    x = 13,581.03

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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.