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Finding the Fourth Proportional to 61,193.68, 91,586.36 and 34,891.44

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Solution

The fourth proportional to 61,193.68, 91,586.36 and 34,891.44 is: 52,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,193.68 : 91,586.36 = 34,891.44 : x
  2. Step 2: Convert to fraction form
    61,193.68/91,586.36 = 34,891.44/x
  3. Step 3: Cross multiply
    61,193.68x = 91,586.36 × 34,891.44
  4. Step 4: Simplify right side
    61,193.68x = 3,195,579,984.76
  5. Step 5: Solve for x
    x = 3,195,579,984.76/61,193.68
  6. Step 6: Final answer
    x = 52,220.75

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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.