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Finding the Fourth Proportional to 3,513.52, 4,855.09 and 3,342.73

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Solution

The fourth proportional to 3,513.52, 4,855.09 and 3,342.73 is: 4,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.52 : 4,855.09 = 3,342.73 : x
  2. Step 2: Convert to fraction form
    3,513.52/4,855.09 = 3,342.73/x
  3. Step 3: Cross multiply
    3,513.52x = 4,855.09 × 3,342.73
  4. Step 4: Simplify right side
    3,513.52x = 16,229,222.36
  5. Step 5: Solve for x
    x = 16,229,222.36/3,513.52
  6. Step 6: Final answer
    x = 4,619.07

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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.