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Finding the Fourth Proportional to 6,670.08, 9,986.49 and 3,376.08

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Solution

The fourth proportional to 6,670.08, 9,986.49 and 3,376.08 is: 5,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.08 : 9,986.49 = 3,376.08 : x
  2. Step 2: Convert to fraction form
    6,670.08/9,986.49 = 3,376.08/x
  3. Step 3: Cross multiply
    6,670.08x = 9,986.49 × 3,376.08
  4. Step 4: Simplify right side
    6,670.08x = 33,715,189.16
  5. Step 5: Solve for x
    x = 33,715,189.16/6,670.08
  6. Step 6: Final answer
    x = 5,054.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.