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Finding the Fourth Proportional to 6,467.54, 9,701.31 and 2,085.08

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Solution

The fourth proportional to 6,467.54, 9,701.31 and 2,085.08 is: 3,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.54 : 9,701.31 = 2,085.08 : x
  2. Step 2: Convert to fraction form
    6,467.54/9,701.31 = 2,085.08/x
  3. Step 3: Cross multiply
    6,467.54x = 9,701.31 × 2,085.08
  4. Step 4: Simplify right side
    6,467.54x = 20,228,007.45
  5. Step 5: Solve for x
    x = 20,228,007.45/6,467.54
  6. Step 6: Final answer
    x = 3,127.62

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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.