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Finding the Fourth Proportional to 67,893.72, 93,693.38 and 37,679.06

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Solution

The fourth proportional to 67,893.72, 93,693.38 and 37,679.06 is: 51,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,893.72 : 93,693.38 = 37,679.06 : x
  2. Step 2: Convert to fraction form
    67,893.72/93,693.38 = 37,679.06/x
  3. Step 3: Cross multiply
    67,893.72x = 93,693.38 × 37,679.06
  4. Step 4: Simplify right side
    67,893.72x = 3,530,278,486.62
  5. Step 5: Solve for x
    x = 3,530,278,486.62/67,893.72
  6. Step 6: Final answer
    x = 51,997.13

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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.