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Finding the Fourth Proportional to 63,735.33, 87,951.34 and 36,878.28

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Solution

The fourth proportional to 63,735.33, 87,951.34 and 36,878.28 is: 50,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,735.33 : 87,951.34 = 36,878.28 : x
  2. Step 2: Convert to fraction form
    63,735.33/87,951.34 = 36,878.28/x
  3. Step 3: Cross multiply
    63,735.33x = 87,951.34 × 36,878.28
  4. Step 4: Simplify right side
    63,735.33x = 3,243,494,142.90
  5. Step 5: Solve for x
    x = 3,243,494,142.90/63,735.33
  6. Step 6: Final answer
    x = 50,890.05

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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.