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Finding the Fourth Proportional to 8,892.56, 13,341.72 and 3,698.96

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Solution

The fourth proportional to 8,892.56, 13,341.72 and 3,698.96 is: 5,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.56 : 13,341.72 = 3,698.96 : x
  2. Step 2: Convert to fraction form
    8,892.56/13,341.72 = 3,698.96/x
  3. Step 3: Cross multiply
    8,892.56x = 13,341.72 × 3,698.96
  4. Step 4: Simplify right side
    8,892.56x = 49,350,488.61
  5. Step 5: Solve for x
    x = 49,350,488.61/8,892.56
  6. Step 6: Final answer
    x = 5,549.64

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