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Finding the Fourth Proportional to 25,141.46, 34,695.44 and 13,811.21

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Solution

The fourth proportional to 25,141.46, 34,695.44 and 13,811.21 is: 19,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.46 : 34,695.44 = 13,811.21 : x
  2. Step 2: Convert to fraction form
    25,141.46/34,695.44 = 13,811.21/x
  3. Step 3: Cross multiply
    25,141.46x = 34,695.44 × 13,811.21
  4. Step 4: Simplify right side
    25,141.46x = 479,185,947.25
  5. Step 5: Solve for x
    x = 479,185,947.25/25,141.46
  6. Step 6: Final answer
    x = 19,059.59

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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.