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Finding the Fourth Proportional to 65,433.67, 90,287.88 and 36,751.95

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Solution

The fourth proportional to 65,433.67, 90,287.88 and 36,751.95 is: 50,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,433.67 : 90,287.88 = 36,751.95 : x
  2. Step 2: Convert to fraction form
    65,433.67/90,287.88 = 36,751.95/x
  3. Step 3: Cross multiply
    65,433.67x = 90,287.88 × 36,751.95
  4. Step 4: Simplify right side
    65,433.67x = 3,318,255,500.30
  5. Step 5: Solve for x
    x = 3,318,255,500.30/65,433.67
  6. Step 6: Final answer
    x = 50,711.74

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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.