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Finding the Fourth Proportional to 2,063.90, 3,095.94 and 677.23

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Solution

The fourth proportional to 2,063.90, 3,095.94 and 677.23 is: 1,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.90 : 3,095.94 = 677.23 : x
  2. Step 2: Convert to fraction form
    2,063.90/3,095.94 = 677.23/x
  3. Step 3: Cross multiply
    2,063.90x = 3,095.94 × 677.23
  4. Step 4: Simplify right side
    2,063.90x = 2,096,663.45
  5. Step 5: Solve for x
    x = 2,096,663.45/2,063.90
  6. Step 6: Final answer
    x = 1,015.87

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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.