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Finding the Fourth Proportional to 12,635.52, 17,436.98 and 7,046.52

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Solution

The fourth proportional to 12,635.52, 17,436.98 and 7,046.52 is: 9,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.52 : 17,436.98 = 7,046.52 : x
  2. Step 2: Convert to fraction form
    12,635.52/17,436.98 = 7,046.52/x
  3. Step 3: Cross multiply
    12,635.52x = 17,436.98 × 7,046.52
  4. Step 4: Simplify right side
    12,635.52x = 122,870,028.31
  5. Step 5: Solve for x
    x = 122,870,028.31/12,635.52
  6. Step 6: Final answer
    x = 9,724.18

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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.