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Finding the Fourth Proportional to 3,264.56, 4,896.84 and 956

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Solution

The fourth proportional to 3,264.56, 4,896.84 and 956 is: 1,434

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.56 : 4,896.84 = 956 : x
  2. Step 2: Convert to fraction form
    3,264.56/4,896.84 = 956/x
  3. Step 3: Cross multiply
    3,264.56x = 4,896.84 × 956
  4. Step 4: Simplify right side
    3,264.56x = 4,681,379.04
  5. Step 5: Solve for x
    x = 4,681,379.04/3,264.56
  6. Step 6: Final answer
    x = 1,434

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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.