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Finding the Fourth Proportional to 4,900.81, 6,763.14 and 2,662.70

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Solution

The fourth proportional to 4,900.81, 6,763.14 and 2,662.70 is: 3,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.81 : 6,763.14 = 2,662.70 : x
  2. Step 2: Convert to fraction form
    4,900.81/6,763.14 = 2,662.70/x
  3. Step 3: Cross multiply
    4,900.81x = 6,763.14 × 2,662.70
  4. Step 4: Simplify right side
    4,900.81x = 18,008,212.88
  5. Step 5: Solve for x
    x = 18,008,212.88/4,900.81
  6. Step 6: Final answer
    x = 3,674.54

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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.