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Finding the Fourth Proportional to 69,997.40, 95,823.60 and 69,497.12

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Solution

The fourth proportional to 69,997.40, 95,823.60 and 69,497.12 is: 95,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,997.40 : 95,823.60 = 69,497.12 : x
  2. Step 2: Convert to fraction form
    69,997.40/95,823.60 = 69,497.12/x
  3. Step 3: Cross multiply
    69,997.40x = 95,823.60 × 69,497.12
  4. Step 4: Simplify right side
    69,997.40x = 6,659,463,748.91
  5. Step 5: Solve for x
    x = 6,659,463,748.91/69,997.40
  6. Step 6: Final answer
    x = 95,138.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.