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Finding the Fourth Proportional to 27,442.53, 37,868.58 and 15,507.18

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Solution

The fourth proportional to 27,442.53, 37,868.58 and 15,507.18 is: 21,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.53 : 37,868.58 = 15,507.18 : x
  2. Step 2: Convert to fraction form
    27,442.53/37,868.58 = 15,507.18/x
  3. Step 3: Cross multiply
    27,442.53x = 37,868.58 × 15,507.18
  4. Step 4: Simplify right side
    27,442.53x = 587,234,886.40
  5. Step 5: Solve for x
    x = 587,234,886.40/27,442.53
  6. Step 6: Final answer
    x = 21,398.72

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