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Finding the Fourth Proportional to 33,151.47, 45,744.98 and 19,723.29

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Solution

The fourth proportional to 33,151.47, 45,744.98 and 19,723.29 is: 27,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,151.47 : 45,744.98 = 19,723.29 : x
  2. Step 2: Convert to fraction form
    33,151.47/45,744.98 = 19,723.29/x
  3. Step 3: Cross multiply
    33,151.47x = 45,744.98 × 19,723.29
  4. Step 4: Simplify right side
    33,151.47x = 902,241,407.97
  5. Step 5: Solve for x
    x = 902,241,407.97/33,151.47
  6. Step 6: Final answer
    x = 27,215.73

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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.