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Finding the Fourth Proportional to 22,363.20, 33,496.20 and 19,447.20

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Solution

The fourth proportional to 22,363.20, 33,496.20 and 19,447.20 is: 29,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.20 : 33,496.20 = 19,447.20 : x
  2. Step 2: Convert to fraction form
    22,363.20/33,496.20 = 19,447.20/x
  3. Step 3: Cross multiply
    22,363.20x = 33,496.20 × 19,447.20
  4. Step 4: Simplify right side
    22,363.20x = 651,407,300.64
  5. Step 5: Solve for x
    x = 651,407,300.64/22,363.20
  6. Step 6: Final answer
    x = 29,128.54

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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.