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Finding the Fourth Proportional to 21,745.30, 32,617.95 and 6,163.06

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Solution

The fourth proportional to 21,745.30, 32,617.95 and 6,163.06 is: 9,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.30 : 32,617.95 = 6,163.06 : x
  2. Step 2: Convert to fraction form
    21,745.30/32,617.95 = 6,163.06/x
  3. Step 3: Cross multiply
    21,745.30x = 32,617.95 × 6,163.06
  4. Step 4: Simplify right side
    21,745.30x = 201,026,382.93
  5. Step 5: Solve for x
    x = 201,026,382.93/21,745.30
  6. Step 6: Final answer
    x = 9,244.59

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.