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Finding the Fourth Proportional to 23,408.53, 35,109.33 and 8,613.99

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Solution

The fourth proportional to 23,408.53, 35,109.33 and 8,613.99 is: 12,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,408.53 : 35,109.33 = 8,613.99 : x
  2. Step 2: Convert to fraction form
    23,408.53/35,109.33 = 8,613.99/x
  3. Step 3: Cross multiply
    23,408.53x = 35,109.33 × 8,613.99
  4. Step 4: Simplify right side
    23,408.53x = 302,431,417.53
  5. Step 5: Solve for x
    x = 302,431,417.53/23,408.53
  6. Step 6: Final answer
    x = 12,919.71

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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.