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Finding the Fourth Proportional to 57,909.54, 86,814.05 and 22,840.59

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Solution

The fourth proportional to 57,909.54, 86,814.05 and 22,840.59 is: 34,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,909.54 : 86,814.05 = 22,840.59 : x
  2. Step 2: Convert to fraction form
    57,909.54/86,814.05 = 22,840.59/x
  3. Step 3: Cross multiply
    57,909.54x = 86,814.05 × 22,840.59
  4. Step 4: Simplify right side
    57,909.54x = 1,982,884,008.09
  5. Step 5: Solve for x
    x = 1,982,884,008.09/57,909.54
  6. Step 6: Final answer
    x = 34,241.06

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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.