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Finding the Fourth Proportional to 61,600.75, 85,008.61 and 34,743.49

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Solution

The fourth proportional to 61,600.75, 85,008.61 and 34,743.49 is: 47,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,600.75 : 85,008.61 = 34,743.49 : x
  2. Step 2: Convert to fraction form
    61,600.75/85,008.61 = 34,743.49/x
  3. Step 3: Cross multiply
    61,600.75x = 85,008.61 × 34,743.49
  4. Step 4: Simplify right side
    61,600.75x = 2,953,495,791.45
  5. Step 5: Solve for x
    x = 2,953,495,791.45/61,600.75
  6. Step 6: Final answer
    x = 47,945.78

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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.