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Finding the Fourth Proportional to 13,801.10, 20,696.12 and 5,907.38

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Solution

The fourth proportional to 13,801.10, 20,696.12 and 5,907.38 is: 8,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.10 : 20,696.12 = 5,907.38 : x
  2. Step 2: Convert to fraction form
    13,801.10/20,696.12 = 5,907.38/x
  3. Step 3: Cross multiply
    13,801.10x = 20,696.12 × 5,907.38
  4. Step 4: Simplify right side
    13,801.10x = 122,259,815.83
  5. Step 5: Solve for x
    x = 122,259,815.83/13,801.10
  6. Step 6: Final answer
    x = 8,858.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.