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Finding the Fourth Proportional to 66,053.75, 99,022.30 and 50,540.63

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Solution

The fourth proportional to 66,053.75, 99,022.30 and 50,540.63 is: 75,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053.75 : 99,022.30 = 50,540.63 : x
  2. Step 2: Convert to fraction form
    66,053.75/99,022.30 = 50,540.63/x
  3. Step 3: Cross multiply
    66,053.75x = 99,022.30 × 50,540.63
  4. Step 4: Simplify right side
    66,053.75x = 5,004,649,426.05
  5. Step 5: Solve for x
    x = 5,004,649,426.05/66,053.75
  6. Step 6: Final answer
    x = 75,766.32

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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.