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Finding the Fourth Proportional to 63,243.32, 87,265.26 and 37,760

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Solution

The fourth proportional to 63,243.32, 87,265.26 and 37,760 is: 52,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,243.32 : 87,265.26 = 37,760 : x
  2. Step 2: Convert to fraction form
    63,243.32/87,265.26 = 37,760/x
  3. Step 3: Cross multiply
    63,243.32x = 87,265.26 × 37,760
  4. Step 4: Simplify right side
    63,243.32x = 3,295,136,217.60
  5. Step 5: Solve for x
    x = 3,295,136,217.60/63,243.32
  6. Step 6: Final answer
    x = 52,102.52

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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.