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Finding the Fourth Proportional to 22,751.88, 31,395.06 and 13,801.56

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Solution

The fourth proportional to 22,751.88, 31,395.06 and 13,801.56 is: 19,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.88 : 31,395.06 = 13,801.56 : x
  2. Step 2: Convert to fraction form
    22,751.88/31,395.06 = 13,801.56/x
  3. Step 3: Cross multiply
    22,751.88x = 31,395.06 × 13,801.56
  4. Step 4: Simplify right side
    22,751.88x = 433,300,804.29
  5. Step 5: Solve for x
    x = 433,300,804.29/22,751.88
  6. Step 6: Final answer
    x = 19,044.62

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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.