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Finding the Fourth Proportional to 53,503.56, 80,087.22 and 36,765.72

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Solution

The fourth proportional to 53,503.56, 80,087.22 and 36,765.72 is: 55,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,503.56 : 80,087.22 = 36,765.72 : x
  2. Step 2: Convert to fraction form
    53,503.56/80,087.22 = 36,765.72/x
  3. Step 3: Cross multiply
    53,503.56x = 80,087.22 × 36,765.72
  4. Step 4: Simplify right side
    53,503.56x = 2,944,464,306.10
  5. Step 5: Solve for x
    x = 2,944,464,306.10/53,503.56
  6. Step 6: Final answer
    x = 55,033.05

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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.