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Finding the Fourth Proportional to 63,648.36, 87,836.13 and 36,792

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Solution

The fourth proportional to 63,648.36, 87,836.13 and 36,792 is: 50,773.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,648.36 : 87,836.13 = 36,792 : x
  2. Step 2: Convert to fraction form
    63,648.36/87,836.13 = 36,792/x
  3. Step 3: Cross multiply
    63,648.36x = 87,836.13 × 36,792
  4. Step 4: Simplify right side
    63,648.36x = 3,231,666,894.96
  5. Step 5: Solve for x
    x = 3,231,666,894.96/63,648.36
  6. Step 6: Final answer
    x = 50,773.77

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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.