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Finding the Fourth Proportional to 2,892.22, 4,338.32 and 944.42

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Solution

The fourth proportional to 2,892.22, 4,338.32 and 944.42 is: 1,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.22 : 4,338.32 = 944.42 : x
  2. Step 2: Convert to fraction form
    2,892.22/4,338.32 = 944.42/x
  3. Step 3: Cross multiply
    2,892.22x = 4,338.32 × 944.42
  4. Step 4: Simplify right side
    2,892.22x = 4,097,203.46
  5. Step 5: Solve for x
    x = 4,097,203.46/2,892.22
  6. Step 6: Final answer
    x = 1,416.63

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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.