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Finding the Fourth Proportional to 17,612.12, 26,426.78 and 7,750.16

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Solution

The fourth proportional to 17,612.12, 26,426.78 and 7,750.16 is: 11,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.12 : 26,426.78 = 7,750.16 : x
  2. Step 2: Convert to fraction form
    17,612.12/26,426.78 = 7,750.16/x
  3. Step 3: Cross multiply
    17,612.12x = 26,426.78 × 7,750.16
  4. Step 4: Simplify right side
    17,612.12x = 204,811,773.28
  5. Step 5: Solve for x
    x = 204,811,773.28/17,612.12
  6. Step 6: Final answer
    x = 11,629.02

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