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Finding the Fourth Proportional to 27,276.67, 40,914.96 and 8,808.67

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Solution

The fourth proportional to 27,276.67, 40,914.96 and 8,808.67 is: 13,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.67 : 40,914.96 = 8,808.67 : x
  2. Step 2: Convert to fraction form
    27,276.67/40,914.96 = 8,808.67/x
  3. Step 3: Cross multiply
    27,276.67x = 40,914.96 × 8,808.67
  4. Step 4: Simplify right side
    27,276.67x = 360,406,380.70
  5. Step 5: Solve for x
    x = 360,406,380.70/27,276.67
  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.