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Finding the Fourth Proportional to 6,513.67, 9,770.37 and 4,174.81

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Solution

The fourth proportional to 6,513.67, 9,770.37 and 4,174.81 is: 6,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.67 : 9,770.37 = 4,174.81 : x
  2. Step 2: Convert to fraction form
    6,513.67/9,770.37 = 4,174.81/x
  3. Step 3: Cross multiply
    6,513.67x = 9,770.37 × 4,174.81
  4. Step 4: Simplify right side
    6,513.67x = 40,789,438.38
  5. Step 5: Solve for x
    x = 40,789,438.38/6,513.67
  6. Step 6: Final answer
    x = 6,262.13

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1.5x scale

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.