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Finding the Fourth Proportional to 63,048.72, 87,006.64 and 36,195.60

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Solution

The fourth proportional to 63,048.72, 87,006.64 and 36,195.60 is: 49,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,048.72 : 87,006.64 = 36,195.60 : x
  2. Step 2: Convert to fraction form
    63,048.72/87,006.64 = 36,195.60/x
  3. Step 3: Cross multiply
    63,048.72x = 87,006.64 × 36,195.60
  4. Step 4: Simplify right side
    63,048.72x = 3,149,257,538.78
  5. Step 5: Solve for x
    x = 3,149,257,538.78/63,048.72
  6. Step 6: Final answer
    x = 49,949.59

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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.