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Finding the Fourth Proportional to 31,899.56, 47,856.49 and 9,714.68

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Solution

The fourth proportional to 31,899.56, 47,856.49 and 9,714.68 is: 14,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899.56 : 47,856.49 = 9,714.68 : x
  2. Step 2: Convert to fraction form
    31,899.56/47,856.49 = 9,714.68/x
  3. Step 3: Cross multiply
    31,899.56x = 47,856.49 × 9,714.68
  4. Step 4: Simplify right side
    31,899.56x = 464,910,671.36
  5. Step 5: Solve for x
    x = 464,910,671.36/31,899.56
  6. Step 6: Final answer
    x = 14,574.21

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