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Finding the Fourth Proportional to 60,439.50, 83,408.00 and 33,215.22

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Solution

The fourth proportional to 60,439.50, 83,408.00 and 33,215.22 is: 45,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,439.50 : 83,408.00 = 33,215.22 : x
  2. Step 2: Convert to fraction form
    60,439.50/83,408.00 = 33,215.22/x
  3. Step 3: Cross multiply
    60,439.50x = 83,408.00 × 33,215.22
  4. Step 4: Simplify right side
    60,439.50x = 2,770,414,903.68
  5. Step 5: Solve for x
    x = 2,770,414,903.68/60,439.50
  6. Step 6: Final answer
    x = 45,837.82

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1.5x scale

Why These Related Problems?

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