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Finding the Fourth Proportional to 65,230.28, 90,033.92 and 36,952.64

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Solution

The fourth proportional to 65,230.28, 90,033.92 and 36,952.64 is: 51,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,230.28 : 90,033.92 = 36,952.64 : x
  2. Step 2: Convert to fraction form
    65,230.28/90,033.92 = 36,952.64/x
  3. Step 3: Cross multiply
    65,230.28x = 90,033.92 × 36,952.64
  4. Step 4: Simplify right side
    65,230.28x = 3,326,991,033.55
  5. Step 5: Solve for x
    x = 3,326,991,033.55/65,230.28
  6. Step 6: Final answer
    x = 51,003.78

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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.