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Finding the Fourth Proportional to 71,833.83, 107,750.70 and 19,241.97

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Solution

The fourth proportional to 71,833.83, 107,750.70 and 19,241.97 is: 28,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,833.83 : 107,750.70 = 19,241.97 : x
  2. Step 2: Convert to fraction form
    71,833.83/107,750.70 = 19,241.97/x
  3. Step 3: Cross multiply
    71,833.83x = 107,750.70 × 19,241.97
  4. Step 4: Simplify right side
    71,833.83x = 2,073,335,736.88
  5. Step 5: Solve for x
    x = 2,073,335,736.88/71,833.83
  6. Step 6: Final answer
    x = 28,862.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.