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Finding the Fourth Proportional to 63,393.28, 87,474 and 36,533.68

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Solution

The fourth proportional to 63,393.28, 87,474 and 36,533.68 is: 50,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393.28 : 87,474 = 36,533.68 : x
  2. Step 2: Convert to fraction form
    63,393.28/87,474 = 36,533.68/x
  3. Step 3: Cross multiply
    63,393.28x = 87,474 × 36,533.68
  4. Step 4: Simplify right side
    63,393.28x = 3,195,747,124.32
  5. Step 5: Solve for x
    x = 3,195,747,124.32/63,393.28
  6. Step 6: Final answer
    x = 50,411.45

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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.