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Finding the Fourth Proportional to 6,294.98, 9,442.65 and 2,135

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Solution

The fourth proportional to 6,294.98, 9,442.65 and 2,135 is: 3,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.98 : 9,442.65 = 2,135 : x
  2. Step 2: Convert to fraction form
    6,294.98/9,442.65 = 2,135/x
  3. Step 3: Cross multiply
    6,294.98x = 9,442.65 × 2,135
  4. Step 4: Simplify right side
    6,294.98x = 20,160,057.75
  5. Step 5: Solve for x
    x = 20,160,057.75/6,294.98
  6. Step 6: Final answer
    x = 3,202.56

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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.