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Finding the Fourth Proportional to 63,368.73, 87,433.29 and 38,832.84

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Solution

The fourth proportional to 63,368.73, 87,433.29 and 38,832.84 is: 53,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,368.73 : 87,433.29 = 38,832.84 : x
  2. Step 2: Convert to fraction form
    63,368.73/87,433.29 = 38,832.84/x
  3. Step 3: Cross multiply
    63,368.73x = 87,433.29 × 38,832.84
  4. Step 4: Simplify right side
    63,368.73x = 3,395,282,961.24
  5. Step 5: Solve for x
    x = 3,395,282,961.24/63,368.73
  6. Step 6: Final answer
    x = 53,579.79

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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.