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Finding the Fourth Proportional to 65,091.30, 89,814.87 and 36,796.38

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Solution

The fourth proportional to 65,091.30, 89,814.87 and 36,796.38 is: 50,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,091.30 : 89,814.87 = 36,796.38 : x
  2. Step 2: Convert to fraction form
    65,091.30/89,814.87 = 36,796.38/x
  3. Step 3: Cross multiply
    65,091.30x = 89,814.87 × 36,796.38
  4. Step 4: Simplify right side
    65,091.30x = 3,304,862,086.17
  5. Step 5: Solve for x
    x = 3,304,862,086.17/65,091.30
  6. Step 6: Final answer
    x = 50,772.72

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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.