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Finding the Fourth Proportional to 33,399.12, 46,090.80 and 19,251.84

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Solution

The fourth proportional to 33,399.12, 46,090.80 and 19,251.84 is: 26,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,399.12 : 46,090.80 = 19,251.84 : x
  2. Step 2: Convert to fraction form
    33,399.12/46,090.80 = 19,251.84/x
  3. Step 3: Cross multiply
    33,399.12x = 46,090.80 × 19,251.84
  4. Step 4: Simplify right side
    33,399.12x = 887,332,707.07
  5. Step 5: Solve for x
    x = 887,332,707.07/33,399.12
  6. Step 6: Final answer
    x = 26,567.55

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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.