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Finding the Fourth Proportional to 67,079.78, 92,570.03 and 36,867.04

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Solution

The fourth proportional to 67,079.78, 92,570.03 and 36,867.04 is: 50,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.78 : 92,570.03 = 36,867.04 : x
  2. Step 2: Convert to fraction form
    67,079.78/92,570.03 = 36,867.04/x
  3. Step 3: Cross multiply
    67,079.78x = 92,570.03 × 36,867.04
  4. Step 4: Simplify right side
    67,079.78x = 3,412,782,998.81
  5. Step 5: Solve for x
    x = 3,412,782,998.81/67,079.78
  6. Step 6: Final answer
    x = 50,876.48

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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.