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Finding the Fourth Proportional to 2,093.40, 3,137.40 and 995.40

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Solution

The fourth proportional to 2,093.40, 3,137.40 and 995.40 is: 1,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.40 : 3,137.40 = 995.40 : x
  2. Step 2: Convert to fraction form
    2,093.40/3,137.40 = 995.40/x
  3. Step 3: Cross multiply
    2,093.40x = 3,137.40 × 995.40
  4. Step 4: Simplify right side
    2,093.40x = 3,122,967.96
  5. Step 5: Solve for x
    x = 3,122,967.96/2,093.40
  6. Step 6: Final answer
    x = 1,491.82

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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.