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Finding the Fourth Proportional to 50,561.72, 75,842.62 and 13,625.72

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Solution

The fourth proportional to 50,561.72, 75,842.62 and 13,625.72 is: 20,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,561.72 : 75,842.62 = 13,625.72 : x
  2. Step 2: Convert to fraction form
    50,561.72/75,842.62 = 13,625.72/x
  3. Step 3: Cross multiply
    50,561.72x = 75,842.62 × 13,625.72
  4. Step 4: Simplify right side
    50,561.72x = 1,033,410,304.19
  5. Step 5: Solve for x
    x = 1,033,410,304.19/50,561.72
  6. Step 6: Final answer
    x = 20,438.59

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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.