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Finding the Fourth Proportional to 57,926.34, 86,891.03 and 18,483.42

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Solution

The fourth proportional to 57,926.34, 86,891.03 and 18,483.42 is: 27,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,926.34 : 86,891.03 = 18,483.42 : x
  2. Step 2: Convert to fraction form
    57,926.34/86,891.03 = 18,483.42/x
  3. Step 3: Cross multiply
    57,926.34x = 86,891.03 × 18,483.42
  4. Step 4: Simplify right side
    57,926.34x = 1,606,042,971.32
  5. Step 5: Solve for x
    x = 1,606,042,971.32/57,926.34
  6. Step 6: Final answer
    x = 27,725.61

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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.