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Finding the Fourth Proportional to 16,821.95, 25,232.99 and 5,135.13

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Solution

The fourth proportional to 16,821.95, 25,232.99 and 5,135.13 is: 7,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.95 : 25,232.99 = 5,135.13 : x
  2. Step 2: Convert to fraction form
    16,821.95/25,232.99 = 5,135.13/x
  3. Step 3: Cross multiply
    16,821.95x = 25,232.99 × 5,135.13
  4. Step 4: Simplify right side
    16,821.95x = 129,574,658.26
  5. Step 5: Solve for x
    x = 129,574,658.26/16,821.95
  6. Step 6: Final answer
    x = 7,702.72

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