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Finding the Fourth Proportional to 5,121.38, 7,096.05 and 5,010.66

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Solution

The fourth proportional to 5,121.38, 7,096.05 and 5,010.66 is: 6,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.38 : 7,096.05 = 5,010.66 : x
  2. Step 2: Convert to fraction form
    5,121.38/7,096.05 = 5,010.66/x
  3. Step 3: Cross multiply
    5,121.38x = 7,096.05 × 5,010.66
  4. Step 4: Simplify right side
    5,121.38x = 35,555,893.89
  5. Step 5: Solve for x
    x = 35,555,893.89/5,121.38
  6. Step 6: Final answer
    x = 6,942.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.