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Finding the Fourth Proportional to 5,774, 8,663.89 and 2,077.06

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Solution

The fourth proportional to 5,774, 8,663.89 and 2,077.06 is: 3,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774 : 8,663.89 = 2,077.06 : x
  2. Step 2: Convert to fraction form
    5,774/8,663.89 = 2,077.06/x
  3. Step 3: Cross multiply
    5,774x = 8,663.89 × 2,077.06
  4. Step 4: Simplify right side
    5,774x = 17,995,414.17
  5. Step 5: Solve for x
    x = 17,995,414.17/5,774
  6. Step 6: Final answer
    x = 3,116.63

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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.