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Finding the Fourth Proportional to 5,007.99, 6,911.10 and 2,770.05

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Solution

The fourth proportional to 5,007.99, 6,911.10 and 2,770.05 is: 3,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.99 : 6,911.10 = 2,770.05 : x
  2. Step 2: Convert to fraction form
    5,007.99/6,911.10 = 2,770.05/x
  3. Step 3: Cross multiply
    5,007.99x = 6,911.10 × 2,770.05
  4. Step 4: Simplify right side
    5,007.99x = 19,144,092.56
  5. Step 5: Solve for x
    x = 19,144,092.56/5,007.99
  6. Step 6: Final answer
    x = 3,822.71

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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.