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Finding the Fourth Proportional to 8,698.42, 12,003.72 and 4,719.52

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Solution

The fourth proportional to 8,698.42, 12,003.72 and 4,719.52 is: 6,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.42 : 12,003.72 = 4,719.52 : x
  2. Step 2: Convert to fraction form
    8,698.42/12,003.72 = 4,719.52/x
  3. Step 3: Cross multiply
    8,698.42x = 12,003.72 × 4,719.52
  4. Step 4: Simplify right side
    8,698.42x = 56,651,796.61
  5. Step 5: Solve for x
    x = 56,651,796.61/8,698.42
  6. Step 6: Final answer
    x = 6,512.88

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