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Finding the Fourth Proportional to 2,093.93, 3,139.67 and 1,119.50

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Solution

The fourth proportional to 2,093.93, 3,139.67 and 1,119.50 is: 1,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.93 : 3,139.67 = 1,119.50 : x
  2. Step 2: Convert to fraction form
    2,093.93/3,139.67 = 1,119.50/x
  3. Step 3: Cross multiply
    2,093.93x = 3,139.67 × 1,119.50
  4. Step 4: Simplify right side
    2,093.93x = 3,514,860.57
  5. Step 5: Solve for x
    x = 3,514,860.57/2,093.93
  6. Step 6: Final answer
    x = 1,678.60

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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.