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Finding the Fourth Proportional to 2,731.96, 4,097.96 and 883.07

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Solution

The fourth proportional to 2,731.96, 4,097.96 and 883.07 is: 1,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.96 : 4,097.96 = 883.07 : x
  2. Step 2: Convert to fraction form
    2,731.96/4,097.96 = 883.07/x
  3. Step 3: Cross multiply
    2,731.96x = 4,097.96 × 883.07
  4. Step 4: Simplify right side
    2,731.96x = 3,618,797.99
  5. Step 5: Solve for x
    x = 3,618,797.99/2,731.96
  6. Step 6: Final answer
    x = 1,324.62

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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.