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Finding the Fourth Proportional to 6,949.59, 10,424.42 and 1,755.47

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Solution

The fourth proportional to 6,949.59, 10,424.42 and 1,755.47 is: 2,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.59 : 10,424.42 = 1,755.47 : x
  2. Step 2: Convert to fraction form
    6,949.59/10,424.42 = 1,755.47/x
  3. Step 3: Cross multiply
    6,949.59x = 10,424.42 × 1,755.47
  4. Step 4: Simplify right side
    6,949.59x = 18,299,695.68
  5. Step 5: Solve for x
    x = 18,299,695.68/6,949.59
  6. Step 6: Final answer
    x = 2,633.21

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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.