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Finding the Fourth Proportional to 13,796.54, 19,039.31 and 7,508.98

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Solution

The fourth proportional to 13,796.54, 19,039.31 and 7,508.98 is: 10,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.54 : 19,039.31 = 7,508.98 : x
  2. Step 2: Convert to fraction form
    13,796.54/19,039.31 = 7,508.98/x
  3. Step 3: Cross multiply
    13,796.54x = 19,039.31 × 7,508.98
  4. Step 4: Simplify right side
    13,796.54x = 142,965,798.00
  5. Step 5: Solve for x
    x = 142,965,798.00/13,796.54
  6. Step 6: Final answer
    x = 10,362.44

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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.