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Finding the Fourth Proportional to 23,001.87, 31,745.52 and 14,047.48

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Solution

The fourth proportional to 23,001.87, 31,745.52 and 14,047.48 is: 19,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.87 : 31,745.52 = 14,047.48 : x
  2. Step 2: Convert to fraction form
    23,001.87/31,745.52 = 14,047.48/x
  3. Step 3: Cross multiply
    23,001.87x = 31,745.52 × 14,047.48
  4. Step 4: Simplify right side
    23,001.87x = 445,944,418.40
  5. Step 5: Solve for x
    x = 445,944,418.40/23,001.87
  6. Step 6: Final answer
    x = 19,387.31

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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.