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Finding the Fourth Proportional to 6,894.14, 9,511.09 and 4,799.48

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Solution

The fourth proportional to 6,894.14, 9,511.09 and 4,799.48 is: 6,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.14 : 9,511.09 = 4,799.48 : x
  2. Step 2: Convert to fraction form
    6,894.14/9,511.09 = 4,799.48/x
  3. Step 3: Cross multiply
    6,894.14x = 9,511.09 × 4,799.48
  4. Step 4: Simplify right side
    6,894.14x = 45,648,226.68
  5. Step 5: Solve for x
    x = 45,648,226.68/6,894.14
  6. Step 6: Final answer
    x = 6,621.31

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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.