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Finding the Fourth Proportional to 4,804.72, 7,206.77 and 2,855.25

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Solution

The fourth proportional to 4,804.72, 7,206.77 and 2,855.25 is: 4,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.72 : 7,206.77 = 2,855.25 : x
  2. Step 2: Convert to fraction form
    4,804.72/7,206.77 = 2,855.25/x
  3. Step 3: Cross multiply
    4,804.72x = 7,206.77 × 2,855.25
  4. Step 4: Simplify right side
    4,804.72x = 20,577,137.18
  5. Step 5: Solve for x
    x = 20,577,137.18/4,804.72
  6. Step 6: Final answer
    x = 4,282.69

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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.