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Finding the Fourth Proportional to 6,358.65, 9,537.37 and 3,892.20

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Solution

The fourth proportional to 6,358.65, 9,537.37 and 3,892.20 is: 5,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.65 : 9,537.37 = 3,892.20 : x
  2. Step 2: Convert to fraction form
    6,358.65/9,537.37 = 3,892.20/x
  3. Step 3: Cross multiply
    6,358.65x = 9,537.37 × 3,892.20
  4. Step 4: Simplify right side
    6,358.65x = 37,121,332.05
  5. Step 5: Solve for x
    x = 37,121,332.05/6,358.65
  6. Step 6: Final answer
    x = 5,837.93

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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.