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Finding the Fourth Proportional to 6,699.93, 9,246.09 and 3,675.20

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Solution

The fourth proportional to 6,699.93, 9,246.09 and 3,675.20 is: 5,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.93 : 9,246.09 = 3,675.20 : x
  2. Step 2: Convert to fraction form
    6,699.93/9,246.09 = 3,675.20/x
  3. Step 3: Cross multiply
    6,699.93x = 9,246.09 × 3,675.20
  4. Step 4: Simplify right side
    6,699.93x = 33,981,183.74
  5. Step 5: Solve for x
    x = 33,981,183.74/6,699.93
  6. Step 6: Final answer
    x = 5,071.87

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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.