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Finding the Fourth Proportional to 65,596.43, 90,507.02 and 36,910.50

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Solution

The fourth proportional to 65,596.43, 90,507.02 and 36,910.50 is: 50,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,596.43 : 90,507.02 = 36,910.50 : x
  2. Step 2: Convert to fraction form
    65,596.43/90,507.02 = 36,910.50/x
  3. Step 3: Cross multiply
    65,596.43x = 90,507.02 × 36,910.50
  4. Step 4: Simplify right side
    65,596.43x = 3,340,659,177.16
  5. Step 5: Solve for x
    x = 3,340,659,177.16/65,596.43
  6. Step 6: Final answer
    x = 50,927.45

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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.