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Finding the Fourth Proportional to 22,256.10, 33,384.15 and 19,728.90

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Solution

The fourth proportional to 22,256.10, 33,384.15 and 19,728.90 is: 29,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.10 : 33,384.15 = 19,728.90 : x
  2. Step 2: Convert to fraction form
    22,256.10/33,384.15 = 19,728.90/x
  3. Step 3: Cross multiply
    22,256.10x = 33,384.15 × 19,728.90
  4. Step 4: Simplify right side
    22,256.10x = 658,632,556.94
  5. Step 5: Solve for x
    x = 658,632,556.94/22,256.10
  6. Step 6: Final answer
    x = 29,593.35

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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.