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Finding the Fourth Proportional to 61,494.91, 84,869.36 and 37,637.47

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Solution

The fourth proportional to 61,494.91, 84,869.36 and 37,637.47 is: 51,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,494.91 : 84,869.36 = 37,637.47 : x
  2. Step 2: Convert to fraction form
    61,494.91/84,869.36 = 37,637.47/x
  3. Step 3: Cross multiply
    61,494.91x = 84,869.36 × 37,637.47
  4. Step 4: Simplify right side
    61,494.91x = 3,194,267,802.73
  5. Step 5: Solve for x
    x = 3,194,267,802.73/61,494.91
  6. Step 6: Final answer
    x = 51,943.61

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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.