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Finding the Fourth Proportional to 4,910.34, 6,776.06 and 2,672.22

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Solution

The fourth proportional to 4,910.34, 6,776.06 and 2,672.22 is: 3,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.34 : 6,776.06 = 2,672.22 : x
  2. Step 2: Convert to fraction form
    4,910.34/6,776.06 = 2,672.22/x
  3. Step 3: Cross multiply
    4,910.34x = 6,776.06 × 2,672.22
  4. Step 4: Simplify right side
    4,910.34x = 18,107,123.05
  5. Step 5: Solve for x
    x = 18,107,123.05/4,910.34
  6. Step 6: Final answer
    x = 3,687.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.