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Finding the Fourth Proportional to 2,896.56, 4,344.99 and 816.73

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Solution

The fourth proportional to 2,896.56, 4,344.99 and 816.73 is: 1,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.56 : 4,344.99 = 816.73 : x
  2. Step 2: Convert to fraction form
    2,896.56/4,344.99 = 816.73/x
  3. Step 3: Cross multiply
    2,896.56x = 4,344.99 × 816.73
  4. Step 4: Simplify right side
    2,896.56x = 3,548,676.76
  5. Step 5: Solve for x
    x = 3,548,676.76/2,896.56
  6. Step 6: Final answer
    x = 1,225.14

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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.