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Finding the Fourth Proportional to 5,458.84, 8,193.71 and 3,679.68

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Solution

The fourth proportional to 5,458.84, 8,193.71 and 3,679.68 is: 5,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.84 : 8,193.71 = 3,679.68 : x
  2. Step 2: Convert to fraction form
    5,458.84/8,193.71 = 3,679.68/x
  3. Step 3: Cross multiply
    5,458.84x = 8,193.71 × 3,679.68
  4. Step 4: Simplify right side
    5,458.84x = 30,150,203.95
  5. Step 5: Solve for x
    x = 30,150,203.95/5,458.84
  6. Step 6: Final answer
    x = 5,523.19

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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.