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Finding the Fourth Proportional to 2,676.96, 4,016.88 and 2,553.12

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Solution

The fourth proportional to 2,676.96, 4,016.88 and 2,553.12 is: 3,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.96 : 4,016.88 = 2,553.12 : x
  2. Step 2: Convert to fraction form
    2,676.96/4,016.88 = 2,553.12/x
  3. Step 3: Cross multiply
    2,676.96x = 4,016.88 × 2,553.12
  4. Step 4: Simplify right side
    2,676.96x = 10,255,576.67
  5. Step 5: Solve for x
    x = 10,255,576.67/2,676.96
  6. Step 6: Final answer
    x = 3,831.05

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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.