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Finding the Fourth Proportional to 63,796.36, 88,039 and 36,940.28

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Solution

The fourth proportional to 63,796.36, 88,039 and 36,940.28 is: 50,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,796.36 : 88,039 = 36,940.28 : x
  2. Step 2: Convert to fraction form
    63,796.36/88,039 = 36,940.28/x
  3. Step 3: Cross multiply
    63,796.36x = 88,039 × 36,940.28
  4. Step 4: Simplify right side
    63,796.36x = 3,252,185,310.92
  5. Step 5: Solve for x
    x = 3,252,185,310.92/63,796.36
  6. Step 6: Final answer
    x = 50,977.60

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1.5x scale

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.