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Finding the Fourth Proportional to 3,750.96, 5,626.20 and 1,558.88

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Solution

The fourth proportional to 3,750.96, 5,626.20 and 1,558.88 is: 2,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.96 : 5,626.20 = 1,558.88 : x
  2. Step 2: Convert to fraction form
    3,750.96/5,626.20 = 1,558.88/x
  3. Step 3: Cross multiply
    3,750.96x = 5,626.20 × 1,558.88
  4. Step 4: Simplify right side
    3,750.96x = 8,770,570.66
  5. Step 5: Solve for x
    x = 8,770,570.66/3,750.96
  6. Step 6: Final answer
    x = 2,338.22

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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.