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Finding the Fourth Proportional to 63,345.33, 87,385.74 and 41,843.48

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Solution

The fourth proportional to 63,345.33, 87,385.74 and 41,843.48 is: 57,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,345.33 : 87,385.74 = 41,843.48 : x
  2. Step 2: Convert to fraction form
    63,345.33/87,385.74 = 41,843.48/x
  3. Step 3: Cross multiply
    63,345.33x = 87,385.74 × 41,843.48
  4. Step 4: Simplify right side
    63,345.33x = 3,656,523,027.05
  5. Step 5: Solve for x
    x = 3,656,523,027.05/63,345.33
  6. Step 6: Final answer
    x = 57,723.64

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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.