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Finding the Fourth Proportional to 65,091.94, 89,825.70 and 36,797.68

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Solution

The fourth proportional to 65,091.94, 89,825.70 and 36,797.68 is: 50,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,091.94 : 89,825.70 = 36,797.68 : x
  2. Step 2: Convert to fraction form
    65,091.94/89,825.70 = 36,797.68/x
  3. Step 3: Cross multiply
    65,091.94x = 89,825.70 × 36,797.68
  4. Step 4: Simplify right side
    65,091.94x = 3,305,377,364.38
  5. Step 5: Solve for x
    x = 3,305,377,364.38/65,091.94
  6. Step 6: Final answer
    x = 50,780.13

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1.5x scale

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.