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Finding the Fourth Proportional to 8,808.90, 13,213.28 and 2,234.99

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Solution

The fourth proportional to 8,808.90, 13,213.28 and 2,234.99 is: 3,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.90 : 13,213.28 = 2,234.99 : x
  2. Step 2: Convert to fraction form
    8,808.90/13,213.28 = 2,234.99/x
  3. Step 3: Cross multiply
    8,808.90x = 13,213.28 × 2,234.99
  4. Step 4: Simplify right side
    8,808.90x = 29,531,574.72
  5. Step 5: Solve for x
    x = 29,531,574.72/8,808.90
  6. Step 6: Final answer
    x = 3,352.47

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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.