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Finding the Fourth Proportional to 33,016.60, 49,524.90 and 21,887.20

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Solution

The fourth proportional to 33,016.60, 49,524.90 and 21,887.20 is: 32,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,016.60 : 49,524.90 = 21,887.20 : x
  2. Step 2: Convert to fraction form
    33,016.60/49,524.90 = 21,887.20/x
  3. Step 3: Cross multiply
    33,016.60x = 49,524.90 × 21,887.20
  4. Step 4: Simplify right side
    33,016.60x = 1,083,961,391.28
  5. Step 5: Solve for x
    x = 1,083,961,391.28/33,016.60
  6. Step 6: Final answer
    x = 32,830.80

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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.