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Finding the Fourth Proportional to 61,967.43, 92,721.51 and 37,021.05

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Solution

The fourth proportional to 61,967.43, 92,721.51 and 37,021.05 is: 55,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,967.43 : 92,721.51 = 37,021.05 : x
  2. Step 2: Convert to fraction form
    61,967.43/92,721.51 = 37,021.05/x
  3. Step 3: Cross multiply
    61,967.43x = 92,721.51 × 37,021.05
  4. Step 4: Simplify right side
    61,967.43x = 3,432,647,657.79
  5. Step 5: Solve for x
    x = 3,432,647,657.79/61,967.43
  6. Step 6: Final answer
    x = 55,394.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.