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Finding the Fourth Proportional to 7,168.29, 9,892.09 and 4,024.47

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Solution

The fourth proportional to 7,168.29, 9,892.09 and 4,024.47 is: 5,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.29 : 9,892.09 = 4,024.47 : x
  2. Step 2: Convert to fraction form
    7,168.29/9,892.09 = 4,024.47/x
  3. Step 3: Cross multiply
    7,168.29x = 9,892.09 × 4,024.47
  4. Step 4: Simplify right side
    7,168.29x = 39,810,419.44
  5. Step 5: Solve for x
    x = 39,810,419.44/7,168.29
  6. Step 6: Final answer
    x = 5,553.68

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1.5x scale

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.