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Finding the Fourth Proportional to 4,850.90, 7,276.35 and 4,786.10

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Solution

The fourth proportional to 4,850.90, 7,276.35 and 4,786.10 is: 7,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.90 : 7,276.35 = 4,786.10 : x
  2. Step 2: Convert to fraction form
    4,850.90/7,276.35 = 4,786.10/x
  3. Step 3: Cross multiply
    4,850.90x = 7,276.35 × 4,786.10
  4. Step 4: Simplify right side
    4,850.90x = 34,825,338.74
  5. Step 5: Solve for x
    x = 34,825,338.74/4,850.90
  6. Step 6: Final answer
    x = 7,179.15

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Similar ratio
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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.