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Finding the Fourth Proportional to 8,950.80, 13,416.48 and 3,104.22

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Solution

The fourth proportional to 8,950.80, 13,416.48 and 3,104.22 is: 4,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.80 : 13,416.48 = 3,104.22 : x
  2. Step 2: Convert to fraction form
    8,950.80/13,416.48 = 3,104.22/x
  3. Step 3: Cross multiply
    8,950.80x = 13,416.48 × 3,104.22
  4. Step 4: Simplify right side
    8,950.80x = 41,647,705.55
  5. Step 5: Solve for x
    x = 41,647,705.55/8,950.80
  6. Step 6: Final answer
    x = 4,652.96

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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.