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Finding the Fourth Proportional to 7,295.21, 10,944.30 and 2,912.30

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Solution

The fourth proportional to 7,295.21, 10,944.30 and 2,912.30 is: 4,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.21 : 10,944.30 = 2,912.30 : x
  2. Step 2: Convert to fraction form
    7,295.21/10,944.30 = 2,912.30/x
  3. Step 3: Cross multiply
    7,295.21x = 10,944.30 × 2,912.30
  4. Step 4: Simplify right side
    7,295.21x = 31,873,084.89
  5. Step 5: Solve for x
    x = 31,873,084.89/7,295.21
  6. Step 6: Final answer
    x = 4,369.04

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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.