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Finding the Fourth Proportional to 7,847.33, 11,770.97 and 4,927.69

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Solution

The fourth proportional to 7,847.33, 11,770.97 and 4,927.69 is: 7,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.33 : 11,770.97 = 4,927.69 : x
  2. Step 2: Convert to fraction form
    7,847.33/11,770.97 = 4,927.69/x
  3. Step 3: Cross multiply
    7,847.33x = 11,770.97 × 4,927.69
  4. Step 4: Simplify right side
    7,847.33x = 58,003,674.05
  5. Step 5: Solve for x
    x = 58,003,674.05/7,847.33
  6. Step 6: Final answer
    x = 7,391.51

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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.