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Finding the Fourth Proportional to 31,671.81, 47,488.83 and 10,606.74

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Solution

The fourth proportional to 31,671.81, 47,488.83 and 10,606.74 is: 15,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,671.81 : 47,488.83 = 10,606.74 : x
  2. Step 2: Convert to fraction form
    31,671.81/47,488.83 = 10,606.74/x
  3. Step 3: Cross multiply
    31,671.81x = 47,488.83 × 10,606.74
  4. Step 4: Simplify right side
    31,671.81x = 503,701,672.71
  5. Step 5: Solve for x
    x = 503,701,672.71/31,671.81
  6. Step 6: Final answer
    x = 15,903.79

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