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Finding the Fourth Proportional to 62,387, 93,581.22 and 18,014.24

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Solution

The fourth proportional to 62,387, 93,581.22 and 18,014.24 is: 27,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,387 : 93,581.22 = 18,014.24 : x
  2. Step 2: Convert to fraction form
    62,387/93,581.22 = 18,014.24/x
  3. Step 3: Cross multiply
    62,387x = 93,581.22 × 18,014.24
  4. Step 4: Simplify right side
    62,387x = 1,685,794,556.57
  5. Step 5: Solve for x
    x = 1,685,794,556.57/62,387
  6. Step 6: Final answer
    x = 27,021.57

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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.