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Finding the Fourth Proportional to 2,676.88, 4,016.94 and 1,137.88

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Solution

The fourth proportional to 2,676.88, 4,016.94 and 1,137.88 is: 1,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.88 : 4,016.94 = 1,137.88 : x
  2. Step 2: Convert to fraction form
    2,676.88/4,016.94 = 1,137.88/x
  3. Step 3: Cross multiply
    2,676.88x = 4,016.94 × 1,137.88
  4. Step 4: Simplify right side
    2,676.88x = 4,570,769.91
  5. Step 5: Solve for x
    x = 4,570,769.91/2,676.88
  6. Step 6: Final answer
    x = 1,707.50

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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.