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Finding the Fourth Proportional to 4,900.87, 6,763.17 and 2,662.77

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Solution

The fourth proportional to 4,900.87, 6,763.17 and 2,662.77 is: 3,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.87 : 6,763.17 = 2,662.77 : x
  2. Step 2: Convert to fraction form
    4,900.87/6,763.17 = 2,662.77/x
  3. Step 3: Cross multiply
    4,900.87x = 6,763.17 × 2,662.77
  4. Step 4: Simplify right side
    4,900.87x = 18,008,719.05
  5. Step 5: Solve for x
    x = 18,008,719.05/4,900.87
  6. Step 6: Final answer
    x = 3,674.60

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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.