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Finding the Fourth Proportional to 6,567, 9,061.62 and 3,914.70

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Solution

The fourth proportional to 6,567, 9,061.62 and 3,914.70 is: 5,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,567 : 9,061.62 = 3,914.70 : x
  2. Step 2: Convert to fraction form
    6,567/9,061.62 = 3,914.70/x
  3. Step 3: Cross multiply
    6,567x = 9,061.62 × 3,914.70
  4. Step 4: Simplify right side
    6,567x = 35,473,523.81
  5. Step 5: Solve for x
    x = 35,473,523.81/6,567
  6. Step 6: Final answer
    x = 5,401.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.