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Finding the Fourth Proportional to 61,960.64, 85,504.95 and 34,736.59

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Solution

The fourth proportional to 61,960.64, 85,504.95 and 34,736.59 is: 47,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,960.64 : 85,504.95 = 34,736.59 : x
  2. Step 2: Convert to fraction form
    61,960.64/85,504.95 = 34,736.59/x
  3. Step 3: Cross multiply
    61,960.64x = 85,504.95 × 34,736.59
  4. Step 4: Simplify right side
    61,960.64x = 2,970,150,136.34
  5. Step 5: Solve for x
    x = 2,970,150,136.34/61,960.64
  6. Step 6: Final answer
    x = 47,936.08

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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.