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Finding the Fourth Proportional to 13,510.12, 18,652.52 and 9,268.28

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Solution

The fourth proportional to 13,510.12, 18,652.52 and 9,268.28 is: 12,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.12 : 18,652.52 = 9,268.28 : x
  2. Step 2: Convert to fraction form
    13,510.12/18,652.52 = 9,268.28/x
  3. Step 3: Cross multiply
    13,510.12x = 18,652.52 × 9,268.28
  4. Step 4: Simplify right side
    13,510.12x = 172,876,778.07
  5. Step 5: Solve for x
    x = 172,876,778.07/13,510.12
  6. Step 6: Final answer
    x = 12,796.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.