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Finding the Fourth Proportional to 4,243.62, 6,364.62 and 1,777.44

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Solution

The fourth proportional to 4,243.62, 6,364.62 and 1,777.44 is: 2,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.62 : 6,364.62 = 1,777.44 : x
  2. Step 2: Convert to fraction form
    4,243.62/6,364.62 = 1,777.44/x
  3. Step 3: Cross multiply
    4,243.62x = 6,364.62 × 1,777.44
  4. Step 4: Simplify right side
    4,243.62x = 11,312,730.17
  5. Step 5: Solve for x
    x = 11,312,730.17/4,243.62
  6. Step 6: Final answer
    x = 2,665.82

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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.