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Finding the Fourth Proportional to 6,789.24, 9,368.84 and 3,805.34

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Solution

The fourth proportional to 6,789.24, 9,368.84 and 3,805.34 is: 5,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.24 : 9,368.84 = 3,805.34 : x
  2. Step 2: Convert to fraction form
    6,789.24/9,368.84 = 3,805.34/x
  3. Step 3: Cross multiply
    6,789.24x = 9,368.84 × 3,805.34
  4. Step 4: Simplify right side
    6,789.24x = 35,651,621.61
  5. Step 5: Solve for x
    x = 35,651,621.61/6,789.24
  6. Step 6: Final answer
    x = 5,251.19

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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.