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Finding the Fourth Proportional to 7,334.60, 11,001.80 and 1,787.94

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Solution

The fourth proportional to 7,334.60, 11,001.80 and 1,787.94 is: 2,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.60 : 11,001.80 = 1,787.94 : x
  2. Step 2: Convert to fraction form
    7,334.60/11,001.80 = 1,787.94/x
  3. Step 3: Cross multiply
    7,334.60x = 11,001.80 × 1,787.94
  4. Step 4: Simplify right side
    7,334.60x = 19,670,558.29
  5. Step 5: Solve for x
    x = 19,670,558.29/7,334.60
  6. Step 6: Final answer
    x = 2,681.89

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