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Finding the Fourth Proportional to 44,408.35, 66,616.98 and 12,819.18

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Solution

The fourth proportional to 44,408.35, 66,616.98 and 12,819.18 is: 19,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,408.35 : 66,616.98 = 12,819.18 : x
  2. Step 2: Convert to fraction form
    44,408.35/66,616.98 = 12,819.18/x
  3. Step 3: Cross multiply
    44,408.35x = 66,616.98 × 12,819.18
  4. Step 4: Simplify right side
    44,408.35x = 853,975,057.68
  5. Step 5: Solve for x
    x = 853,975,057.68/44,408.35
  6. Step 6: Final answer
    x = 19,230.06

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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.