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Finding the Fourth Proportional to 84,997.53, 127,496.25 and 40,489.38

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Solution

The fourth proportional to 84,997.53, 127,496.25 and 40,489.38 is: 60,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,997.53 : 127,496.25 = 40,489.38 : x
  2. Step 2: Convert to fraction form
    84,997.53/127,496.25 = 40,489.38/x
  3. Step 3: Cross multiply
    84,997.53x = 127,496.25 × 40,489.38
  4. Step 4: Simplify right side
    84,997.53x = 5,162,244,114.83
  5. Step 5: Solve for x
    x = 5,162,244,114.83/84,997.53
  6. Step 6: Final answer
    x = 60,734.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.