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Finding the Fourth Proportional to 33,390.31, 46,077.19 and 18,282.70

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Solution

The fourth proportional to 33,390.31, 46,077.19 and 18,282.70 is: 25,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,390.31 : 46,077.19 = 18,282.70 : x
  2. Step 2: Convert to fraction form
    33,390.31/46,077.19 = 18,282.70/x
  3. Step 3: Cross multiply
    33,390.31x = 46,077.19 × 18,282.70
  4. Step 4: Simplify right side
    33,390.31x = 842,415,441.61
  5. Step 5: Solve for x
    x = 842,415,441.61/33,390.31
  6. Step 6: Final answer
    x = 25,229.34

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