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Finding the Fourth Proportional to 2,573.26, 3,859.86 and 625.47

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Solution

The fourth proportional to 2,573.26, 3,859.86 and 625.47 is: 938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.26 : 3,859.86 = 625.47 : x
  2. Step 2: Convert to fraction form
    2,573.26/3,859.86 = 625.47/x
  3. Step 3: Cross multiply
    2,573.26x = 3,859.86 × 625.47
  4. Step 4: Simplify right side
    2,573.26x = 2,414,207.33
  5. Step 5: Solve for x
    x = 2,414,207.33/2,573.26
  6. Step 6: Final answer
    x = 938.19

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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.