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Finding the Fourth Proportional to 2,263, 3,395.16 and 964.60

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Solution

The fourth proportional to 2,263, 3,395.16 and 964.60 is: 1,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263 : 3,395.16 = 964.60 : x
  2. Step 2: Convert to fraction form
    2,263/3,395.16 = 964.60/x
  3. Step 3: Cross multiply
    2,263x = 3,395.16 × 964.60
  4. Step 4: Simplify right side
    2,263x = 3,274,971.34
  5. Step 5: Solve for x
    x = 3,274,971.34/2,263
  6. Step 6: Final answer
    x = 1,447.18

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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.