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Finding the Fourth Proportional to 4,855.98, 6,699.52 and 2,865.54

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Solution

The fourth proportional to 4,855.98, 6,699.52 and 2,865.54 is: 3,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.98 : 6,699.52 = 2,865.54 : x
  2. Step 2: Convert to fraction form
    4,855.98/6,699.52 = 2,865.54/x
  3. Step 3: Cross multiply
    4,855.98x = 6,699.52 × 2,865.54
  4. Step 4: Simplify right side
    4,855.98x = 19,197,701.88
  5. Step 5: Solve for x
    x = 19,197,701.88/4,855.98
  6. Step 6: Final answer
    x = 3,953.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.