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Finding the Fourth Proportional to 12,549.76, 18,825.27 and 4,759.18

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Solution

The fourth proportional to 12,549.76, 18,825.27 and 4,759.18 is: 7,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.76 : 18,825.27 = 4,759.18 : x
  2. Step 2: Convert to fraction form
    12,549.76/18,825.27 = 4,759.18/x
  3. Step 3: Cross multiply
    12,549.76x = 18,825.27 × 4,759.18
  4. Step 4: Simplify right side
    12,549.76x = 89,592,848.48
  5. Step 5: Solve for x
    x = 89,592,848.48/12,549.76
  6. Step 6: Final answer
    x = 7,139.01

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