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Finding the Fourth Proportional to 3,751.88, 5,619.42 and 2,652.89

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Solution

The fourth proportional to 3,751.88, 5,619.42 and 2,652.89 is: 3,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.88 : 5,619.42 = 2,652.89 : x
  2. Step 2: Convert to fraction form
    3,751.88/5,619.42 = 2,652.89/x
  3. Step 3: Cross multiply
    3,751.88x = 5,619.42 × 2,652.89
  4. Step 4: Simplify right side
    3,751.88x = 14,907,675.03
  5. Step 5: Solve for x
    x = 14,907,675.03/3,751.88
  6. Step 6: Final answer
    x = 3,973.39

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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.