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Finding the Fourth Proportional to 57,733.97, 86,600.88 and 31,383.32

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Solution

The fourth proportional to 57,733.97, 86,600.88 and 31,383.32 is: 47,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,733.97 : 86,600.88 = 31,383.32 : x
  2. Step 2: Convert to fraction form
    57,733.97/86,600.88 = 31,383.32/x
  3. Step 3: Cross multiply
    57,733.97x = 86,600.88 × 31,383.32
  4. Step 4: Simplify right side
    57,733.97x = 2,717,822,696.32
  5. Step 5: Solve for x
    x = 2,717,822,696.32/57,733.97
  6. Step 6: Final answer
    x = 47,074.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.