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Finding the Fourth Proportional to 7,226.46, 10,858.89 and 6,759.90

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Solution

The fourth proportional to 7,226.46, 10,858.89 and 6,759.90 is: 10,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.46 : 10,858.89 = 6,759.90 : x
  2. Step 2: Convert to fraction form
    7,226.46/10,858.89 = 6,759.90/x
  3. Step 3: Cross multiply
    7,226.46x = 10,858.89 × 6,759.90
  4. Step 4: Simplify right side
    7,226.46x = 73,405,010.51
  5. Step 5: Solve for x
    x = 73,405,010.51/7,226.46
  6. Step 6: Final answer
    x = 10,157.81

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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.