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Finding the Fourth Proportional to 36,628.89, 54,942.93 and 8,926.89

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Solution

The fourth proportional to 36,628.89, 54,942.93 and 8,926.89 is: 13,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628.89 : 54,942.93 = 8,926.89 : x
  2. Step 2: Convert to fraction form
    36,628.89/54,942.93 = 8,926.89/x
  3. Step 3: Cross multiply
    36,628.89x = 54,942.93 × 8,926.89
  4. Step 4: Simplify right side
    36,628.89x = 490,469,492.39
  5. Step 5: Solve for x
    x = 490,469,492.39/36,628.89
  6. Step 6: Final answer
    x = 13,390.24

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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.