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Finding the Fourth Proportional to 3,804.40, 5,706.60 and 3,755.80

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Solution

The fourth proportional to 3,804.40, 5,706.60 and 3,755.80 is: 5,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.40 : 5,706.60 = 3,755.80 : x
  2. Step 2: Convert to fraction form
    3,804.40/5,706.60 = 3,755.80/x
  3. Step 3: Cross multiply
    3,804.40x = 5,706.60 × 3,755.80
  4. Step 4: Simplify right side
    3,804.40x = 21,432,848.28
  5. Step 5: Solve for x
    x = 21,432,848.28/3,804.40
  6. Step 6: Final answer
    x = 5,633.70

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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.