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Finding the Fourth Proportional to 6,752.67, 9,317.19 and 3,918.41

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Solution

The fourth proportional to 6,752.67, 9,317.19 and 3,918.41 is: 5,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.67 : 9,317.19 = 3,918.41 : x
  2. Step 2: Convert to fraction form
    6,752.67/9,317.19 = 3,918.41/x
  3. Step 3: Cross multiply
    6,752.67x = 9,317.19 × 3,918.41
  4. Step 4: Simplify right side
    6,752.67x = 36,508,523.88
  5. Step 5: Solve for x
    x = 36,508,523.88/6,752.67
  6. Step 6: Final answer
    x = 5,406.53

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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.