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Finding the Fourth Proportional to 22,151.80, 33,220.53 and 7,356.75

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Solution

The fourth proportional to 22,151.80, 33,220.53 and 7,356.75 is: 11,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.80 : 33,220.53 = 7,356.75 : x
  2. Step 2: Convert to fraction form
    22,151.80/33,220.53 = 7,356.75/x
  3. Step 3: Cross multiply
    22,151.80x = 33,220.53 × 7,356.75
  4. Step 4: Simplify right side
    22,151.80x = 244,395,102.93
  5. Step 5: Solve for x
    x = 244,395,102.93/22,151.80
  6. Step 6: Final answer
    x = 11,032.74

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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.