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Finding the Fourth Proportional to 61,494.72, 84,864.42 and 37,620.96

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Solution

The fourth proportional to 61,494.72, 84,864.42 and 37,620.96 is: 51,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,494.72 : 84,864.42 = 37,620.96 : x
  2. Step 2: Convert to fraction form
    61,494.72/84,864.42 = 37,620.96/x
  3. Step 3: Cross multiply
    61,494.72x = 84,864.42 × 37,620.96
  4. Step 4: Simplify right side
    61,494.72x = 3,192,680,950.24
  5. Step 5: Solve for x
    x = 3,192,680,950.24/61,494.72
  6. Step 6: Final answer
    x = 51,917.97

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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.