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Finding the Fourth Proportional to 9,344.70, 14,019.11 and 2,770.49

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Solution

The fourth proportional to 9,344.70, 14,019.11 and 2,770.49 is: 4,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.70 : 14,019.11 = 2,770.49 : x
  2. Step 2: Convert to fraction form
    9,344.70/14,019.11 = 2,770.49/x
  3. Step 3: Cross multiply
    9,344.70x = 14,019.11 × 2,770.49
  4. Step 4: Simplify right side
    9,344.70x = 38,839,720.12
  5. Step 5: Solve for x
    x = 38,839,720.12/9,344.70
  6. Step 6: Final answer
    x = 4,156.34

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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.