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Finding the Fourth Proportional to 2,295, 3,167.10 and 1,247.06

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Solution

The fourth proportional to 2,295, 3,167.10 and 1,247.06 is: 1,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295 : 3,167.10 = 1,247.06 : x
  2. Step 2: Convert to fraction form
    2,295/3,167.10 = 1,247.06/x
  3. Step 3: Cross multiply
    2,295x = 3,167.10 × 1,247.06
  4. Step 4: Simplify right side
    2,295x = 3,949,571.64
  5. Step 5: Solve for x
    x = 3,949,571.64/2,295
  6. Step 6: Final answer
    x = 1,720.95

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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.