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Finding the Fourth Proportional to 6,789.13, 9,368.69 and 3,804.94

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Solution

The fourth proportional to 6,789.13, 9,368.69 and 3,804.94 is: 5,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.13 : 9,368.69 = 3,804.94 : x
  2. Step 2: Convert to fraction form
    6,789.13/9,368.69 = 3,804.94/x
  3. Step 3: Cross multiply
    6,789.13x = 9,368.69 × 3,804.94
  4. Step 4: Simplify right side
    6,789.13x = 35,647,237.46
  5. Step 5: Solve for x
    x = 35,647,237.46/6,789.13
  6. Step 6: Final answer
    x = 5,250.64

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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.