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Finding the Fourth Proportional to 61,757.75, 85,225.76 and 33,463.44

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Solution

The fourth proportional to 61,757.75, 85,225.76 and 33,463.44 is: 46,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,757.75 : 85,225.76 = 33,463.44 : x
  2. Step 2: Convert to fraction form
    61,757.75/85,225.76 = 33,463.44/x
  3. Step 3: Cross multiply
    61,757.75x = 85,225.76 × 33,463.44
  4. Step 4: Simplify right side
    61,757.75x = 2,851,947,106.21
  5. Step 5: Solve for x
    x = 2,851,947,106.21/61,757.75
  6. Step 6: Final answer
    x = 46,179.58

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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.