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Finding the Fourth Proportional to 2,473.07, 3,412.83 and 1,369.07

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Solution

The fourth proportional to 2,473.07, 3,412.83 and 1,369.07 is: 1,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.07 : 3,412.83 = 1,369.07 : x
  2. Step 2: Convert to fraction form
    2,473.07/3,412.83 = 1,369.07/x
  3. Step 3: Cross multiply
    2,473.07x = 3,412.83 × 1,369.07
  4. Step 4: Simplify right side
    2,473.07x = 4,672,379.26
  5. Step 5: Solve for x
    x = 4,672,379.26/2,473.07
  6. Step 6: Final answer
    x = 1,889.31

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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.