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Finding the Fourth Proportional to 6,873, 10,308.75 and 4,665.98

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Solution

The fourth proportional to 6,873, 10,308.75 and 4,665.98 is: 6,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873 : 10,308.75 = 4,665.98 : x
  2. Step 2: Convert to fraction form
    6,873/10,308.75 = 4,665.98/x
  3. Step 3: Cross multiply
    6,873x = 10,308.75 × 4,665.98
  4. Step 4: Simplify right side
    6,873x = 48,100,369.78
  5. Step 5: Solve for x
    x = 48,100,369.78/6,873
  6. Step 6: Final answer
    x = 6,998.45

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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.