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Finding the Fourth Proportional to 14,609.16, 21,910.50 and 8,767.44

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Solution

The fourth proportional to 14,609.16, 21,910.50 and 8,767.44 is: 13,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.16 : 21,910.50 = 8,767.44 : x
  2. Step 2: Convert to fraction form
    14,609.16/21,910.50 = 8,767.44/x
  3. Step 3: Cross multiply
    14,609.16x = 21,910.50 × 8,767.44
  4. Step 4: Simplify right side
    14,609.16x = 192,098,994.12
  5. Step 5: Solve for x
    x = 192,098,994.12/14,609.16
  6. Step 6: Final answer
    x = 13,149.22

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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.