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Finding the Fourth Proportional to 4,855.54, 7,285.48 and 2,546.50

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Solution

The fourth proportional to 4,855.54, 7,285.48 and 2,546.50 is: 3,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.54 : 7,285.48 = 2,546.50 : x
  2. Step 2: Convert to fraction form
    4,855.54/7,285.48 = 2,546.50/x
  3. Step 3: Cross multiply
    4,855.54x = 7,285.48 × 2,546.50
  4. Step 4: Simplify right side
    4,855.54x = 18,552,474.82
  5. Step 5: Solve for x
    x = 18,552,474.82/4,855.54
  6. Step 6: Final answer
    x = 3,820.89

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1.5x scale

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.