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Finding the Fourth Proportional to 38,006.99, 52,452.54 and 21,879.23

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Solution

The fourth proportional to 38,006.99, 52,452.54 and 21,879.23 is: 30,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,006.99 : 52,452.54 = 21,879.23 : x
  2. Step 2: Convert to fraction form
    38,006.99/52,452.54 = 21,879.23/x
  3. Step 3: Cross multiply
    38,006.99x = 52,452.54 × 21,879.23
  4. Step 4: Simplify right side
    38,006.99x = 1,147,621,186.74
  5. Step 5: Solve for x
    x = 1,147,621,186.74/38,006.99
  6. Step 6: Final answer
    x = 30,195.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.