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Finding the Fourth Proportional to 6,899,589.74, 9,521,496.81 and 3,802,224.23

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Solution

The fourth proportional to 6,899,589.74, 9,521,496.81 and 3,802,224.23 is: 5,247,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899,589.74 : 9,521,496.81 = 3,802,224.23 : x
  2. Step 2: Convert to fraction form
    6,899,589.74/9,521,496.81 = 3,802,224.23/x
  3. Step 3: Cross multiply
    6,899,589.74x = 9,521,496.81 × 3,802,224.23
  4. Step 4: Simplify right side
    6,899,589.74x = 36,202,865,810,231.10
  5. Step 5: Solve for x
    x = 36,202,865,810,231.10/6,899,589.74
  6. Step 6: Final answer
    x = 5,247,104.13

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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.