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Finding the Fourth Proportional to 68,213.30, 94,121.84 and 37,997.87

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Solution

The fourth proportional to 68,213.30, 94,121.84 and 37,997.87 is: 52,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,213.30 : 94,121.84 = 37,997.87 : x
  2. Step 2: Convert to fraction form
    68,213.30/94,121.84 = 37,997.87/x
  3. Step 3: Cross multiply
    68,213.30x = 94,121.84 × 37,997.87
  4. Step 4: Simplify right side
    68,213.30x = 3,576,429,064.87
  5. Step 5: Solve for x
    x = 3,576,429,064.87/68,213.30
  6. Step 6: Final answer
    x = 52,430.09

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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.