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Finding the Fourth Proportional to 57,503.82, 86,250.04 and 18,059.88

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Solution

The fourth proportional to 57,503.82, 86,250.04 and 18,059.88 is: 27,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,503.82 : 86,250.04 = 18,059.88 : x
  2. Step 2: Convert to fraction form
    57,503.82/86,250.04 = 18,059.88/x
  3. Step 3: Cross multiply
    57,503.82x = 86,250.04 × 18,059.88
  4. Step 4: Simplify right side
    57,503.82x = 1,557,665,372.40
  5. Step 5: Solve for x
    x = 1,557,665,372.40/57,503.82
  6. Step 6: Final answer
    x = 27,088.03

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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.