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Finding the Fourth Proportional to 6,679.38, 9,225.42 and 5,008.08

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Solution

The fourth proportional to 6,679.38, 9,225.42 and 5,008.08 is: 6,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.38 : 9,225.42 = 5,008.08 : x
  2. Step 2: Convert to fraction form
    6,679.38/9,225.42 = 5,008.08/x
  3. Step 3: Cross multiply
    6,679.38x = 9,225.42 × 5,008.08
  4. Step 4: Simplify right side
    6,679.38x = 46,201,641.39
  5. Step 5: Solve for x
    x = 46,201,641.39/6,679.38
  6. Step 6: Final answer
    x = 6,917.06

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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.