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Finding the Fourth Proportional to 3,445.34, 5,168.03 and 848.26

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Solution

The fourth proportional to 3,445.34, 5,168.03 and 848.26 is: 1,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.34 : 5,168.03 = 848.26 : x
  2. Step 2: Convert to fraction form
    3,445.34/5,168.03 = 848.26/x
  3. Step 3: Cross multiply
    3,445.34x = 5,168.03 × 848.26
  4. Step 4: Simplify right side
    3,445.34x = 4,383,833.13
  5. Step 5: Solve for x
    x = 4,383,833.13/3,445.34
  6. Step 6: Final answer
    x = 1,272.39

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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.