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Finding the Fourth Proportional to 6,442.91, 9,666.81 and 2,493.08

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Solution

The fourth proportional to 6,442.91, 9,666.81 and 2,493.08 is: 3,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.91 : 9,666.81 = 2,493.08 : x
  2. Step 2: Convert to fraction form
    6,442.91/9,666.81 = 2,493.08/x
  3. Step 3: Cross multiply
    6,442.91x = 9,666.81 × 2,493.08
  4. Step 4: Simplify right side
    6,442.91x = 24,100,118.59
  5. Step 5: Solve for x
    x = 24,100,118.59/6,442.91
  6. Step 6: Final answer
    x = 3,740.56

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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.