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Finding the Fourth Proportional to 65,116.38, 89,869.05 and 36,827.67

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Solution

The fourth proportional to 65,116.38, 89,869.05 and 36,827.67 is: 50,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,116.38 : 89,869.05 = 36,827.67 : x
  2. Step 2: Convert to fraction form
    65,116.38/89,869.05 = 36,827.67/x
  3. Step 3: Cross multiply
    65,116.38x = 89,869.05 × 36,827.67
  4. Step 4: Simplify right side
    65,116.38x = 3,309,667,716.61
  5. Step 5: Solve for x
    x = 3,309,667,716.61/65,116.38
  6. Step 6: Final answer
    x = 50,826.96

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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.