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Finding the Fourth Proportional to 7,063.62, 9,747.98 and 3,876.94

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Solution

The fourth proportional to 7,063.62, 9,747.98 and 3,876.94 is: 5,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.62 : 9,747.98 = 3,876.94 : x
  2. Step 2: Convert to fraction form
    7,063.62/9,747.98 = 3,876.94/x
  3. Step 3: Cross multiply
    7,063.62x = 9,747.98 × 3,876.94
  4. Step 4: Simplify right side
    7,063.62x = 37,792,333.58
  5. Step 5: Solve for x
    x = 37,792,333.58/7,063.62
  6. Step 6: Final answer
    x = 5,350.28

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1.5x scale

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.