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Finding the Fourth Proportional to 62,919.83, 86,832.93 and 36,066.80

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Solution

The fourth proportional to 62,919.83, 86,832.93 and 36,066.80 is: 49,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,919.83 : 86,832.93 = 36,066.80 : x
  2. Step 2: Convert to fraction form
    62,919.83/86,832.93 = 36,066.80/x
  3. Step 3: Cross multiply
    62,919.83x = 86,832.93 × 36,066.80
  4. Step 4: Simplify right side
    62,919.83x = 3,131,785,485.56
  5. Step 5: Solve for x
    x = 3,131,785,485.56/62,919.83
  6. Step 6: Final answer
    x = 49,774.22

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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.