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Finding the Fourth Proportional to 11,228.32, 16,843.98 and 3,830.79

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Solution

The fourth proportional to 11,228.32, 16,843.98 and 3,830.79 is: 5,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.32 : 16,843.98 = 3,830.79 : x
  2. Step 2: Convert to fraction form
    11,228.32/16,843.98 = 3,830.79/x
  3. Step 3: Cross multiply
    11,228.32x = 16,843.98 × 3,830.79
  4. Step 4: Simplify right side
    11,228.32x = 64,525,827.67
  5. Step 5: Solve for x
    x = 64,525,827.67/11,228.32
  6. Step 6: Final answer
    x = 5,746.70

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