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Finding the Fourth Proportional to 6,394.68, 9,564.28 and 3,755.90

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Solution

The fourth proportional to 6,394.68, 9,564.28 and 3,755.90 is: 5,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.68 : 9,564.28 = 3,755.90 : x
  2. Step 2: Convert to fraction form
    6,394.68/9,564.28 = 3,755.90/x
  3. Step 3: Cross multiply
    6,394.68x = 9,564.28 × 3,755.90
  4. Step 4: Simplify right side
    6,394.68x = 35,922,493.77
  5. Step 5: Solve for x
    x = 35,922,493.77/6,394.68
  6. Step 6: Final answer
    x = 5,617.56

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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.