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Finding the Fourth Proportional to 18,442.23, 27,686.67 and 15,359.95

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Solution

The fourth proportional to 18,442.23, 27,686.67 and 15,359.95 is: 23,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.23 : 27,686.67 = 15,359.95 : x
  2. Step 2: Convert to fraction form
    18,442.23/27,686.67 = 15,359.95/x
  3. Step 3: Cross multiply
    18,442.23x = 27,686.67 × 15,359.95
  4. Step 4: Simplify right side
    18,442.23x = 425,265,866.87
  5. Step 5: Solve for x
    x = 425,265,866.87/18,442.23
  6. Step 6: Final answer
    x = 23,059.35

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