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Finding the Fourth Proportional to 61,220.43, 84,493.33 and 37,360.87

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Solution

The fourth proportional to 61,220.43, 84,493.33 and 37,360.87 is: 51,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.43 : 84,493.33 = 37,360.87 : x
  2. Step 2: Convert to fraction form
    61,220.43/84,493.33 = 37,360.87/x
  3. Step 3: Cross multiply
    61,220.43x = 84,493.33 × 37,360.87
  4. Step 4: Simplify right side
    61,220.43x = 3,156,744,013.36
  5. Step 5: Solve for x
    x = 3,156,744,013.36/61,220.43
  6. Step 6: Final answer
    x = 51,563.57

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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.