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Finding the Fourth Proportional to 57,497.99, 86,250.64 and 18,056.66

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Solution

The fourth proportional to 57,497.99, 86,250.64 and 18,056.66 is: 27,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,497.99 : 86,250.64 = 18,056.66 : x
  2. Step 2: Convert to fraction form
    57,497.99/86,250.64 = 18,056.66/x
  3. Step 3: Cross multiply
    57,497.99x = 86,250.64 × 18,056.66
  4. Step 4: Simplify right side
    57,497.99x = 1,557,398,481.26
  5. Step 5: Solve for x
    x = 1,557,398,481.26/57,497.99
  6. Step 6: Final answer
    x = 27,086.14

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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.