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Finding the Fourth Proportional to 13,808.52, 19,058.94 and 7,843.95

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Solution

The fourth proportional to 13,808.52, 19,058.94 and 7,843.95 is: 10,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.52 : 19,058.94 = 7,843.95 : x
  2. Step 2: Convert to fraction form
    13,808.52/19,058.94 = 7,843.95/x
  3. Step 3: Cross multiply
    13,808.52x = 19,058.94 × 7,843.95
  4. Step 4: Simplify right side
    13,808.52x = 149,497,372.41
  5. Step 5: Solve for x
    x = 149,497,372.41/13,808.52
  6. Step 6: Final answer
    x = 10,826.46

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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.