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Finding the Fourth Proportional to 8,948.76, 13,412.34 and 6,466.38

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Solution

The fourth proportional to 8,948.76, 13,412.34 and 6,466.38 is: 9,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.76 : 13,412.34 = 6,466.38 : x
  2. Step 2: Convert to fraction form
    8,948.76/13,412.34 = 6,466.38/x
  3. Step 3: Cross multiply
    8,948.76x = 13,412.34 × 6,466.38
  4. Step 4: Simplify right side
    8,948.76x = 86,729,287.13
  5. Step 5: Solve for x
    x = 86,729,287.13/8,948.76
  6. Step 6: Final answer
    x = 9,691.77

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