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Finding the Fourth Proportional to 2,896.70, 4,344.08 and 948.44

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Solution

The fourth proportional to 2,896.70, 4,344.08 and 948.44 is: 1,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.70 : 4,344.08 = 948.44 : x
  2. Step 2: Convert to fraction form
    2,896.70/4,344.08 = 948.44/x
  3. Step 3: Cross multiply
    2,896.70x = 4,344.08 × 948.44
  4. Step 4: Simplify right side
    2,896.70x = 4,120,072.77
  5. Step 5: Solve for x
    x = 4,120,072.77/2,896.70
  6. Step 6: Final answer
    x = 1,422.34

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1.5x scale

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.