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Finding the Fourth Proportional to 27,993.01, 41,985.18 and 15,348.99

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Solution

The fourth proportional to 27,993.01, 41,985.18 and 15,348.99 is: 23,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.01 : 41,985.18 = 15,348.99 : x
  2. Step 2: Convert to fraction form
    27,993.01/41,985.18 = 15,348.99/x
  3. Step 3: Cross multiply
    27,993.01x = 41,985.18 × 15,348.99
  4. Step 4: Simplify right side
    27,993.01x = 644,430,029.25
  5. Step 5: Solve for x
    x = 644,430,029.25/27,993.01
  6. Step 6: Final answer
    x = 23,021.11

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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.