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Finding the Fourth Proportional to 22,170.51, 33,230.66 and 7,375.95

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Solution

The fourth proportional to 22,170.51, 33,230.66 and 7,375.95 is: 11,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.51 : 33,230.66 = 7,375.95 : x
  2. Step 2: Convert to fraction form
    22,170.51/33,230.66 = 7,375.95/x
  3. Step 3: Cross multiply
    22,170.51x = 33,230.66 × 7,375.95
  4. Step 4: Simplify right side
    22,170.51x = 245,107,649.75
  5. Step 5: Solve for x
    x = 245,107,649.75/22,170.51
  6. Step 6: Final answer
    x = 11,055.57

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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.