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Finding the Fourth Proportional to 2,914.17, 4,371.33 and 966.39

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Solution

The fourth proportional to 2,914.17, 4,371.33 and 966.39 is: 1,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.17 : 4,371.33 = 966.39 : x
  2. Step 2: Convert to fraction form
    2,914.17/4,371.33 = 966.39/x
  3. Step 3: Cross multiply
    2,914.17x = 4,371.33 × 966.39
  4. Step 4: Simplify right side
    2,914.17x = 4,224,409.60
  5. Step 5: Solve for x
    x = 4,224,409.60/2,914.17
  6. Step 6: Final answer
    x = 1,449.61

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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.