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Finding the Fourth Proportional to 6,721.65, 10,067.09 and 6,072.03

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Solution

The fourth proportional to 6,721.65, 10,067.09 and 6,072.03 is: 9,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.65 : 10,067.09 = 6,072.03 : x
  2. Step 2: Convert to fraction form
    6,721.65/10,067.09 = 6,072.03/x
  3. Step 3: Cross multiply
    6,721.65x = 10,067.09 × 6,072.03
  4. Step 4: Simplify right side
    6,721.65x = 61,127,642.13
  5. Step 5: Solve for x
    x = 61,127,642.13/6,721.65
  6. Step 6: Final answer
    x = 9,094.14

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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.