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Finding the Fourth Proportional to 64,022.73, 88,351.44 and 35,728.41

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Solution

The fourth proportional to 64,022.73, 88,351.44 and 35,728.41 is: 49,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,022.73 : 88,351.44 = 35,728.41 : x
  2. Step 2: Convert to fraction form
    64,022.73/88,351.44 = 35,728.41/x
  3. Step 3: Cross multiply
    64,022.73x = 88,351.44 × 35,728.41
  4. Step 4: Simplify right side
    64,022.73x = 3,156,656,472.41
  5. Step 5: Solve for x
    x = 3,156,656,472.41/64,022.73
  6. Step 6: Final answer
    x = 49,305.25

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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.