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Finding the Fourth Proportional to 50,713.55, 69,961.12 and 32,814.33

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Solution

The fourth proportional to 50,713.55, 69,961.12 and 32,814.33 is: 45,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,713.55 : 69,961.12 = 32,814.33 : x
  2. Step 2: Convert to fraction form
    50,713.55/69,961.12 = 32,814.33/x
  3. Step 3: Cross multiply
    50,713.55x = 69,961.12 × 32,814.33
  4. Step 4: Simplify right side
    50,713.55x = 2,295,727,278.85
  5. Step 5: Solve for x
    x = 2,295,727,278.85/50,713.55
  6. Step 6: Final answer
    x = 45,268.52

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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.