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Finding the Fourth Proportional to 3,266.26, 4,900.20 and 957.76

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Solution

The fourth proportional to 3,266.26, 4,900.20 and 957.76 is: 1,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.26 : 4,900.20 = 957.76 : x
  2. Step 2: Convert to fraction form
    3,266.26/4,900.20 = 957.76/x
  3. Step 3: Cross multiply
    3,266.26x = 4,900.20 × 957.76
  4. Step 4: Simplify right side
    3,266.26x = 4,693,215.55
  5. Step 5: Solve for x
    x = 4,693,215.55/3,266.26
  6. Step 6: Final answer
    x = 1,436.88

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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.