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Finding the Fourth Proportional to 70,969.88, 106,360.22 and 33,539.88

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Solution

The fourth proportional to 70,969.88, 106,360.22 and 33,539.88 is: 50,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,969.88 : 106,360.22 = 33,539.88 : x
  2. Step 2: Convert to fraction form
    70,969.88/106,360.22 = 33,539.88/x
  3. Step 3: Cross multiply
    70,969.88x = 106,360.22 × 33,539.88
  4. Step 4: Simplify right side
    70,969.88x = 3,567,309,015.57
  5. Step 5: Solve for x
    x = 3,567,309,015.57/70,969.88
  6. Step 6: Final answer
    x = 50,265.11

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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.