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Finding the Fourth Proportional to 2,553.26, 3,829.16 and 703.92

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Solution

The fourth proportional to 2,553.26, 3,829.16 and 703.92 is: 1,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.26 : 3,829.16 = 703.92 : x
  2. Step 2: Convert to fraction form
    2,553.26/3,829.16 = 703.92/x
  3. Step 3: Cross multiply
    2,553.26x = 3,829.16 × 703.92
  4. Step 4: Simplify right side
    2,553.26x = 2,695,422.31
  5. Step 5: Solve for x
    x = 2,695,422.31/2,553.26
  6. Step 6: Final answer
    x = 1,055.68

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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.