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Finding the Fourth Proportional to 2,076.92, 3,115.33 and 844.02

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Solution

The fourth proportional to 2,076.92, 3,115.33 and 844.02 is: 1,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.92 : 3,115.33 = 844.02 : x
  2. Step 2: Convert to fraction form
    2,076.92/3,115.33 = 844.02/x
  3. Step 3: Cross multiply
    2,076.92x = 3,115.33 × 844.02
  4. Step 4: Simplify right side
    2,076.92x = 2,629,407.48
  5. Step 5: Solve for x
    x = 2,629,407.48/2,076.92
  6. Step 6: Final answer
    x = 1,266.01

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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.