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Finding the Fourth Proportional to 57,844.80, 86,709.60 and 26,625.60

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Solution

The fourth proportional to 57,844.80, 86,709.60 and 26,625.60 is: 39,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,844.80 : 86,709.60 = 26,625.60 : x
  2. Step 2: Convert to fraction form
    57,844.80/86,709.60 = 26,625.60/x
  3. Step 3: Cross multiply
    57,844.80x = 86,709.60 × 26,625.60
  4. Step 4: Simplify right side
    57,844.80x = 2,308,695,125.76
  5. Step 5: Solve for x
    x = 2,308,695,125.76/57,844.80
  6. Step 6: Final answer
    x = 39,911.89

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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.