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Finding the Fourth Proportional to 60,311.79, 83,230.74 and 33,087.69

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Solution

The fourth proportional to 60,311.79, 83,230.74 and 33,087.69 is: 45,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,311.79 : 83,230.74 = 33,087.69 : x
  2. Step 2: Convert to fraction form
    60,311.79/83,230.74 = 33,087.69/x
  3. Step 3: Cross multiply
    60,311.79x = 83,230.74 × 33,087.69
  4. Step 4: Simplify right side
    60,311.79x = 2,753,912,923.59
  5. Step 5: Solve for x
    x = 2,753,912,923.59/60,311.79
  6. Step 6: Final answer
    x = 45,661.27

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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.