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Finding the Fourth Proportional to 4,626.22, 6,926.98 and 2,774.78

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Solution

The fourth proportional to 4,626.22, 6,926.98 and 2,774.78 is: 4,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.22 : 6,926.98 = 2,774.78 : x
  2. Step 2: Convert to fraction form
    4,626.22/6,926.98 = 2,774.78/x
  3. Step 3: Cross multiply
    4,626.22x = 6,926.98 × 2,774.78
  4. Step 4: Simplify right side
    4,626.22x = 19,220,845.56
  5. Step 5: Solve for x
    x = 19,220,845.56/4,626.22
  6. Step 6: Final answer
    x = 4,154.76

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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.