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Finding the Fourth Proportional to 6,531.99, 9,804.91 and 4,068.56

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Solution

The fourth proportional to 6,531.99, 9,804.91 and 4,068.56 is: 6,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.99 : 9,804.91 = 4,068.56 : x
  2. Step 2: Convert to fraction form
    6,531.99/9,804.91 = 4,068.56/x
  3. Step 3: Cross multiply
    6,531.99x = 9,804.91 × 4,068.56
  4. Step 4: Simplify right side
    6,531.99x = 39,891,805.43
  5. Step 5: Solve for x
    x = 39,891,805.43/6,531.99
  6. Step 6: Final answer
    x = 6,107.14

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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.