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Finding the Fourth Proportional to 10,851.91, 16,276.64 and 7,364.32

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Solution

The fourth proportional to 10,851.91, 16,276.64 and 7,364.32 is: 11,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.91 : 16,276.64 = 7,364.32 : x
  2. Step 2: Convert to fraction form
    10,851.91/16,276.64 = 7,364.32/x
  3. Step 3: Cross multiply
    10,851.91x = 16,276.64 × 7,364.32
  4. Step 4: Simplify right side
    10,851.91x = 119,866,385.48
  5. Step 5: Solve for x
    x = 119,866,385.48/10,851.91
  6. Step 6: Final answer
    x = 11,045.65

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