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Finding the Fourth Proportional to 23,612.58, 35,408.85 and 8,811.15

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Solution

The fourth proportional to 23,612.58, 35,408.85 and 8,811.15 is: 13,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,612.58 : 35,408.85 = 8,811.15 : x
  2. Step 2: Convert to fraction form
    23,612.58/35,408.85 = 8,811.15/x
  3. Step 3: Cross multiply
    23,612.58x = 35,408.85 × 8,811.15
  4. Step 4: Simplify right side
    23,612.58x = 311,992,688.68
  5. Step 5: Solve for x
    x = 311,992,688.68/23,612.58
  6. Step 6: Final answer
    x = 13,212.99

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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.