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Finding the Fourth Proportional to 3,294.34, 4,941.42 and 954.34

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Solution

The fourth proportional to 3,294.34, 4,941.42 and 954.34 is: 1,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.34 : 4,941.42 = 954.34 : x
  2. Step 2: Convert to fraction form
    3,294.34/4,941.42 = 954.34/x
  3. Step 3: Cross multiply
    3,294.34x = 4,941.42 × 954.34
  4. Step 4: Simplify right side
    3,294.34x = 4,715,794.76
  5. Step 5: Solve for x
    x = 4,715,794.76/3,294.34
  6. Step 6: Final answer
    x = 1,431.48

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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.