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Finding the Fourth Proportional to 4,855.92, 7,282.20 and 3,004.20

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Solution

The fourth proportional to 4,855.92, 7,282.20 and 3,004.20 is: 4,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.92 : 7,282.20 = 3,004.20 : x
  2. Step 2: Convert to fraction form
    4,855.92/7,282.20 = 3,004.20/x
  3. Step 3: Cross multiply
    4,855.92x = 7,282.20 × 3,004.20
  4. Step 4: Simplify right side
    4,855.92x = 21,877,185.24
  5. Step 5: Solve for x
    x = 21,877,185.24/4,855.92
  6. Step 6: Final answer
    x = 4,505.26

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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.