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Finding the Fourth Proportional to 61,521.67, 84,881.01 and 37,623.43

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Solution

The fourth proportional to 61,521.67, 84,881.01 and 37,623.43 is: 51,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,521.67 : 84,881.01 = 37,623.43 : x
  2. Step 2: Convert to fraction form
    61,521.67/84,881.01 = 37,623.43/x
  3. Step 3: Cross multiply
    61,521.67x = 84,881.01 × 37,623.43
  4. Step 4: Simplify right side
    61,521.67x = 3,193,514,738.06
  5. Step 5: Solve for x
    x = 3,193,514,738.06/61,521.67
  6. Step 6: Final answer
    x = 51,908.78

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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.