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Finding the Fourth Proportional to 4,504.48, 6,749.87 and 2,855.99

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Solution

The fourth proportional to 4,504.48, 6,749.87 and 2,855.99 is: 4,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,504.48 : 6,749.87 = 2,855.99 : x
  2. Step 2: Convert to fraction form
    4,504.48/6,749.87 = 2,855.99/x
  3. Step 3: Cross multiply
    4,504.48x = 6,749.87 × 2,855.99
  4. Step 4: Simplify right side
    4,504.48x = 19,277,563.82
  5. Step 5: Solve for x
    x = 19,277,563.82/4,504.48
  6. Step 6: Final answer
    x = 4,279.64

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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.