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Finding the Fourth Proportional to 31,314.47, 46,881.45 and 20,795.00

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Solution

The fourth proportional to 31,314.47, 46,881.45 and 20,795.00 is: 31,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.47 : 46,881.45 = 20,795.00 : x
  2. Step 2: Convert to fraction form
    31,314.47/46,881.45 = 20,795.00/x
  3. Step 3: Cross multiply
    31,314.47x = 46,881.45 × 20,795.00
  4. Step 4: Simplify right side
    31,314.47x = 974,899,518.34
  5. Step 5: Solve for x
    x = 974,899,518.34/31,314.47
  6. Step 6: Final answer
    x = 31,132.56

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