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Finding the Fourth Proportional to 6,397.86, 9,590.54 and 3,933.38

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Solution

The fourth proportional to 6,397.86, 9,590.54 and 3,933.38 is: 5,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.86 : 9,590.54 = 3,933.38 : x
  2. Step 2: Convert to fraction form
    6,397.86/9,590.54 = 3,933.38/x
  3. Step 3: Cross multiply
    6,397.86x = 9,590.54 × 3,933.38
  4. Step 4: Simplify right side
    6,397.86x = 37,723,238.23
  5. Step 5: Solve for x
    x = 37,723,238.23/6,397.86
  6. Step 6: Final answer
    x = 5,896.23

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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.