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Finding the Fourth Proportional to 63,350.72, 87,433.26 and 36,488

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Solution

The fourth proportional to 63,350.72, 87,433.26 and 36,488 is: 50,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,350.72 : 87,433.26 = 36,488 : x
  2. Step 2: Convert to fraction form
    63,350.72/87,433.26 = 36,488/x
  3. Step 3: Cross multiply
    63,350.72x = 87,433.26 × 36,488
  4. Step 4: Simplify right side
    63,350.72x = 3,190,264,790.88
  5. Step 5: Solve for x
    x = 3,190,264,790.88/63,350.72
  6. Step 6: Final answer
    x = 50,358.78

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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.