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Finding the Fourth Proportional to 2,093.63, 3,140.44 and 554.63

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Solution

The fourth proportional to 2,093.63, 3,140.44 and 554.63 is: 831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.63 : 3,140.44 = 554.63 : x
  2. Step 2: Convert to fraction form
    2,093.63/3,140.44 = 554.63/x
  3. Step 3: Cross multiply
    2,093.63x = 3,140.44 × 554.63
  4. Step 4: Simplify right side
    2,093.63x = 1,741,765.15
  5. Step 5: Solve for x
    x = 1,741,765.15/2,093.63
  6. Step 6: Final answer
    x = 831.94

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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.