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Finding the Fourth Proportional to 3,153.04, 4,729.02 and 844

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Solution

The fourth proportional to 3,153.04, 4,729.02 and 844 is: 1,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.04 : 4,729.02 = 844 : x
  2. Step 2: Convert to fraction form
    3,153.04/4,729.02 = 844/x
  3. Step 3: Cross multiply
    3,153.04x = 4,729.02 × 844
  4. Step 4: Simplify right side
    3,153.04x = 3,991,292.88
  5. Step 5: Solve for x
    x = 3,991,292.88/3,153.04
  6. Step 6: Final answer
    x = 1,265.86

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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.