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Finding the Fourth Proportional to 7,063.14, 9,747.32 and 3,876.58

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Solution

The fourth proportional to 7,063.14, 9,747.32 and 3,876.58 is: 5,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.14 : 9,747.32 = 3,876.58 : x
  2. Step 2: Convert to fraction form
    7,063.14/9,747.32 = 3,876.58/x
  3. Step 3: Cross multiply
    7,063.14x = 9,747.32 × 3,876.58
  4. Step 4: Simplify right side
    7,063.14x = 37,786,265.77
  5. Step 5: Solve for x
    x = 37,786,265.77/7,063.14
  6. Step 6: Final answer
    x = 5,349.78

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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.