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Finding the Fourth Proportional to 6,585.99, 9,080.28 and 3,932.43

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Solution

The fourth proportional to 6,585.99, 9,080.28 and 3,932.43 is: 5,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.99 : 9,080.28 = 3,932.43 : x
  2. Step 2: Convert to fraction form
    6,585.99/9,080.28 = 3,932.43/x
  3. Step 3: Cross multiply
    6,585.99x = 9,080.28 × 3,932.43
  4. Step 4: Simplify right side
    6,585.99x = 35,707,565.48
  5. Step 5: Solve for x
    x = 35,707,565.48/6,585.99
  6. Step 6: Final answer
    x = 5,421.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.