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Finding the Fourth Proportional to 8,897.64, 13,349.64 and 3,966.84

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Solution

The fourth proportional to 8,897.64, 13,349.64 and 3,966.84 is: 5,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.64 : 13,349.64 = 3,966.84 : x
  2. Step 2: Convert to fraction form
    8,897.64/13,349.64 = 3,966.84/x
  3. Step 3: Cross multiply
    8,897.64x = 13,349.64 × 3,966.84
  4. Step 4: Simplify right side
    8,897.64x = 52,955,885.94
  5. Step 5: Solve for x
    x = 52,955,885.94/8,897.64
  6. Step 6: Final answer
    x = 5,951.68

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