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Finding the Fourth Proportional to 61,608.48, 85,014.59 and 34,757.57

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Solution

The fourth proportional to 61,608.48, 85,014.59 and 34,757.57 is: 47,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,608.48 : 85,014.59 = 34,757.57 : x
  2. Step 2: Convert to fraction form
    61,608.48/85,014.59 = 34,757.57/x
  3. Step 3: Cross multiply
    61,608.48x = 85,014.59 × 34,757.57
  4. Step 4: Simplify right side
    61,608.48x = 2,954,899,964.09
  5. Step 5: Solve for x
    x = 2,954,899,964.09/61,608.48
  6. Step 6: Final answer
    x = 47,962.55

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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.