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Finding the Fourth Proportional to 3,294.16, 4,940.52 and 984.88

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Solution

The fourth proportional to 3,294.16, 4,940.52 and 984.88 is: 1,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.16 : 4,940.52 = 984.88 : x
  2. Step 2: Convert to fraction form
    3,294.16/4,940.52 = 984.88/x
  3. Step 3: Cross multiply
    3,294.16x = 4,940.52 × 984.88
  4. Step 4: Simplify right side
    3,294.16x = 4,865,819.34
  5. Step 5: Solve for x
    x = 4,865,819.34/3,294.16
  6. Step 6: Final answer
    x = 1,477.10

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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.