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Finding the Fourth Proportional to 12,370.61, 18,531.19 and 7,437.54

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Solution

The fourth proportional to 12,370.61, 18,531.19 and 7,437.54 is: 11,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.61 : 18,531.19 = 7,437.54 : x
  2. Step 2: Convert to fraction form
    12,370.61/18,531.19 = 7,437.54/x
  3. Step 3: Cross multiply
    12,370.61x = 18,531.19 × 7,437.54
  4. Step 4: Simplify right side
    12,370.61x = 137,826,466.87
  5. Step 5: Solve for x
    x = 137,826,466.87/12,370.61
  6. Step 6: Final answer
    x = 11,141.44

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