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Finding the Fourth Proportional to 71,191.86, 106,813.38 and 33,274.90

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Solution

The fourth proportional to 71,191.86, 106,813.38 and 33,274.90 is: 49,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,191.86 : 106,813.38 = 33,274.90 : x
  2. Step 2: Convert to fraction form
    71,191.86/106,813.38 = 33,274.90/x
  3. Step 3: Cross multiply
    71,191.86x = 106,813.38 × 33,274.90
  4. Step 4: Simplify right side
    71,191.86x = 3,554,204,796.46
  5. Step 5: Solve for x
    x = 3,554,204,796.46/71,191.86
  6. Step 6: Final answer
    x = 49,924.31

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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.