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Finding the Fourth Proportional to 3,518.56, 4,855.92 and 2,103.52

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Solution

The fourth proportional to 3,518.56, 4,855.92 and 2,103.52 is: 2,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.56 : 4,855.92 = 2,103.52 : x
  2. Step 2: Convert to fraction form
    3,518.56/4,855.92 = 2,103.52/x
  3. Step 3: Cross multiply
    3,518.56x = 4,855.92 × 2,103.52
  4. Step 4: Simplify right side
    3,518.56x = 10,214,524.84
  5. Step 5: Solve for x
    x = 10,214,524.84/3,518.56
  6. Step 6: Final answer
    x = 2,903.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.