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Finding the Fourth Proportional to 4,408.99, 6,613.48 and 3,435.82

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Solution

The fourth proportional to 4,408.99, 6,613.48 and 3,435.82 is: 5,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.99 : 6,613.48 = 3,435.82 : x
  2. Step 2: Convert to fraction form
    4,408.99/6,613.48 = 3,435.82/x
  3. Step 3: Cross multiply
    4,408.99x = 6,613.48 × 3,435.82
  4. Step 4: Simplify right side
    4,408.99x = 22,722,714.61
  5. Step 5: Solve for x
    x = 22,722,714.61/4,408.99
  6. Step 6: Final answer
    x = 5,153.73

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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.