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Finding the Fourth Proportional to 31,065.66, 46,581.84 and 12,344.94

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Solution

The fourth proportional to 31,065.66, 46,581.84 and 12,344.94 is: 18,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065.66 : 46,581.84 = 12,344.94 : x
  2. Step 2: Convert to fraction form
    31,065.66/46,581.84 = 12,344.94/x
  3. Step 3: Cross multiply
    31,065.66x = 46,581.84 × 12,344.94
  4. Step 4: Simplify right side
    31,065.66x = 575,050,019.89
  5. Step 5: Solve for x
    x = 575,050,019.89/31,065.66
  6. Step 6: Final answer
    x = 18,510.79

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