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Finding the Fourth Proportional to 3,002.98, 4,504.38 and 922.90

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Solution

The fourth proportional to 3,002.98, 4,504.38 and 922.90 is: 1,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.98 : 4,504.38 = 922.90 : x
  2. Step 2: Convert to fraction form
    3,002.98/4,504.38 = 922.90/x
  3. Step 3: Cross multiply
    3,002.98x = 4,504.38 × 922.90
  4. Step 4: Simplify right side
    3,002.98x = 4,157,092.30
  5. Step 5: Solve for x
    x = 4,157,092.30/3,002.98
  6. Step 6: Final answer
    x = 1,384.32

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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.