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Finding the Fourth Proportional to 33,173.88, 45,747.36 and 28,151.88

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Solution

The fourth proportional to 33,173.88, 45,747.36 and 28,151.88 is: 38,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,173.88 : 45,747.36 = 28,151.88 : x
  2. Step 2: Convert to fraction form
    33,173.88/45,747.36 = 28,151.88/x
  3. Step 3: Cross multiply
    33,173.88x = 45,747.36 × 28,151.88
  4. Step 4: Simplify right side
    33,173.88x = 1,287,874,189.04
  5. Step 5: Solve for x
    x = 1,287,874,189.04/33,173.88
  6. Step 6: Final answer
    x = 38,821.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.