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Finding the Fourth Proportional to 21,958.93, 32,910.82 and 9,464.33

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Solution

The fourth proportional to 21,958.93, 32,910.82 and 9,464.33 is: 14,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.93 : 32,910.82 = 9,464.33 : x
  2. Step 2: Convert to fraction form
    21,958.93/32,910.82 = 9,464.33/x
  3. Step 3: Cross multiply
    21,958.93x = 32,910.82 × 9,464.33
  4. Step 4: Simplify right side
    21,958.93x = 311,478,861.05
  5. Step 5: Solve for x
    x = 311,478,861.05/21,958.93
  6. Step 6: Final answer
    x = 14,184.61

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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.