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Finding the Fourth Proportional to 33,146.55, 45,741.38 and 18,039.51

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Solution

The fourth proportional to 33,146.55, 45,741.38 and 18,039.51 is: 24,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,146.55 : 45,741.38 = 18,039.51 : x
  2. Step 2: Convert to fraction form
    33,146.55/45,741.38 = 18,039.51/x
  3. Step 3: Cross multiply
    33,146.55x = 45,741.38 × 18,039.51
  4. Step 4: Simplify right side
    33,146.55x = 825,151,991.73
  5. Step 5: Solve for x
    x = 825,151,991.73/33,146.55
  6. Step 6: Final answer
    x = 24,894.05

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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.