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Finding the Fourth Proportional to 13,700.16, 20,555.10 and 5,907.96

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Solution

The fourth proportional to 13,700.16, 20,555.10 and 5,907.96 is: 8,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.16 : 20,555.10 = 5,907.96 : x
  2. Step 2: Convert to fraction form
    13,700.16/20,555.10 = 5,907.96/x
  3. Step 3: Cross multiply
    13,700.16x = 20,555.10 × 5,907.96
  4. Step 4: Simplify right side
    13,700.16x = 121,438,708.60
  5. Step 5: Solve for x
    x = 121,438,708.60/13,700.16
  6. Step 6: Final answer
    x = 8,864.04

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