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Finding the Fourth Proportional to 5,003.38, 6,905.10 and 2,765.62

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Solution

The fourth proportional to 5,003.38, 6,905.10 and 2,765.62 is: 3,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.38 : 6,905.10 = 2,765.62 : x
  2. Step 2: Convert to fraction form
    5,003.38/6,905.10 = 2,765.62/x
  3. Step 3: Cross multiply
    5,003.38x = 6,905.10 × 2,765.62
  4. Step 4: Simplify right side
    5,003.38x = 19,096,882.66
  5. Step 5: Solve for x
    x = 19,096,882.66/5,003.38
  6. Step 6: Final answer
    x = 3,816.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.