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Finding the Fourth Proportional to 51,560.48, 71,020.36 and 36,426.86

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Solution

The fourth proportional to 51,560.48, 71,020.36 and 36,426.86 is: 50,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,560.48 : 71,020.36 = 36,426.86 : x
  2. Step 2: Convert to fraction form
    51,560.48/71,020.36 = 36,426.86/x
  3. Step 3: Cross multiply
    51,560.48x = 71,020.36 × 36,426.86
  4. Step 4: Simplify right side
    51,560.48x = 2,587,048,531.03
  5. Step 5: Solve for x
    x = 2,587,048,531.03/51,560.48
  6. Step 6: Final answer
    x = 50,175.03

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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.