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Finding the Fourth Proportional to 4,630.77, 6,938.06 and 3,855.75

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Solution

The fourth proportional to 4,630.77, 6,938.06 and 3,855.75 is: 5,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.77 : 6,938.06 = 3,855.75 : x
  2. Step 2: Convert to fraction form
    4,630.77/6,938.06 = 3,855.75/x
  3. Step 3: Cross multiply
    4,630.77x = 6,938.06 × 3,855.75
  4. Step 4: Simplify right side
    4,630.77x = 26,751,424.85
  5. Step 5: Solve for x
    x = 26,751,424.85/4,630.77
  6. Step 6: Final answer
    x = 5,776.88

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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.