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Finding the Fourth Proportional to 61,887.88, 85,405.07 and 33,593.36

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Solution

The fourth proportional to 61,887.88, 85,405.07 and 33,593.36 is: 46,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,887.88 : 85,405.07 = 33,593.36 : x
  2. Step 2: Convert to fraction form
    61,887.88/85,405.07 = 33,593.36/x
  3. Step 3: Cross multiply
    61,887.88x = 85,405.07 × 33,593.36
  4. Step 4: Simplify right side
    61,887.88x = 2,869,043,094.37
  5. Step 5: Solve for x
    x = 2,869,043,094.37/61,887.88
  6. Step 6: Final answer
    x = 46,358.73

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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.