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Finding the Fourth Proportional to 2,750.21, 4,126.02 and 995.39

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Solution

The fourth proportional to 2,750.21, 4,126.02 and 995.39 is: 1,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.21 : 4,126.02 = 995.39 : x
  2. Step 2: Convert to fraction form
    2,750.21/4,126.02 = 995.39/x
  3. Step 3: Cross multiply
    2,750.21x = 4,126.02 × 995.39
  4. Step 4: Simplify right side
    2,750.21x = 4,106,999.05
  5. Step 5: Solve for x
    x = 4,106,999.05/2,750.21
  6. Step 6: Final answer
    x = 1,493.34

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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.