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Finding the Fourth Proportional to 7,176.74, 10,770.03 and 2,794.22

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Solution

The fourth proportional to 7,176.74, 10,770.03 and 2,794.22 is: 4,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.74 : 10,770.03 = 2,794.22 : x
  2. Step 2: Convert to fraction form
    7,176.74/10,770.03 = 2,794.22/x
  3. Step 3: Cross multiply
    7,176.74x = 10,770.03 × 2,794.22
  4. Step 4: Simplify right side
    7,176.74x = 30,093,833.23
  5. Step 5: Solve for x
    x = 30,093,833.23/7,176.74
  6. Step 6: Final answer
    x = 4,193.25

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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.