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Finding the Fourth Proportional to 16,702.92, 25,056.68 and 5,612.78

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Solution

The fourth proportional to 16,702.92, 25,056.68 and 5,612.78 is: 8,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.92 : 25,056.68 = 5,612.78 : x
  2. Step 2: Convert to fraction form
    16,702.92/25,056.68 = 5,612.78/x
  3. Step 3: Cross multiply
    16,702.92x = 25,056.68 × 5,612.78
  4. Step 4: Simplify right side
    16,702.92x = 140,637,632.37
  5. Step 5: Solve for x
    x = 140,637,632.37/16,702.92
  6. Step 6: Final answer
    x = 8,419.94

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