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Finding the Fourth Proportional to 6,799.82, 9,379.44 and 4,914.18

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Solution

The fourth proportional to 6,799.82, 9,379.44 and 4,914.18 is: 6,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.82 : 9,379.44 = 4,914.18 : x
  2. Step 2: Convert to fraction form
    6,799.82/9,379.44 = 4,914.18/x
  3. Step 3: Cross multiply
    6,799.82x = 9,379.44 × 4,914.18
  4. Step 4: Simplify right side
    6,799.82x = 46,092,256.46
  5. Step 5: Solve for x
    x = 46,092,256.46/6,799.82
  6. Step 6: Final answer
    x = 6,778.45

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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.