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Finding the Fourth Proportional to 4,855.93, 7,285.83 and 1,936.28

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Solution

The fourth proportional to 4,855.93, 7,285.83 and 1,936.28 is: 2,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.93 : 7,285.83 = 1,936.28 : x
  2. Step 2: Convert to fraction form
    4,855.93/7,285.83 = 1,936.28/x
  3. Step 3: Cross multiply
    4,855.93x = 7,285.83 × 1,936.28
  4. Step 4: Simplify right side
    4,855.93x = 14,107,417.87
  5. Step 5: Solve for x
    x = 14,107,417.87/4,855.93
  6. Step 6: Final answer
    x = 2,905.20

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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.