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Finding the Fourth Proportional to 65,337.26, 90,163.67 and 36,654.51

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Solution

The fourth proportional to 65,337.26, 90,163.67 and 36,654.51 is: 50,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337.26 : 90,163.67 = 36,654.51 : x
  2. Step 2: Convert to fraction form
    65,337.26/90,163.67 = 36,654.51/x
  3. Step 3: Cross multiply
    65,337.26x = 90,163.67 × 36,654.51
  4. Step 4: Simplify right side
    65,337.26x = 3,304,905,298.49
  5. Step 5: Solve for x
    x = 3,304,905,298.49/65,337.26
  6. Step 6: Final answer
    x = 50,582.25

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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.