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Finding the Fourth Proportional to 7,964.87, 10,993.10 and 4,608.77

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Solution

The fourth proportional to 7,964.87, 10,993.10 and 4,608.77 is: 6,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.87 : 10,993.10 = 4,608.77 : x
  2. Step 2: Convert to fraction form
    7,964.87/10,993.10 = 4,608.77/x
  3. Step 3: Cross multiply
    7,964.87x = 10,993.10 × 4,608.77
  4. Step 4: Simplify right side
    7,964.87x = 50,664,591.48
  5. Step 5: Solve for x
    x = 50,664,591.48/7,964.87
  6. Step 6: Final answer
    x = 6,361.01

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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.