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Finding the Fourth Proportional to 57,696.66, 86,548.14 and 18,250.84

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Solution

The fourth proportional to 57,696.66, 86,548.14 and 18,250.84 is: 27,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,696.66 : 86,548.14 = 18,250.84 : x
  2. Step 2: Convert to fraction form
    57,696.66/86,548.14 = 18,250.84/x
  3. Step 3: Cross multiply
    57,696.66x = 86,548.14 × 18,250.84
  4. Step 4: Simplify right side
    57,696.66x = 1,579,576,255.44
  5. Step 5: Solve for x
    x = 1,579,576,255.44/57,696.66
  6. Step 6: Final answer
    x = 27,377.26

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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.