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Finding the Fourth Proportional to 3,513.58, 4,855.16 and 3,342.74

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Solution

The fourth proportional to 3,513.58, 4,855.16 and 3,342.74 is: 4,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.58 : 4,855.16 = 3,342.74 : x
  2. Step 2: Convert to fraction form
    3,513.58/4,855.16 = 3,342.74/x
  3. Step 3: Cross multiply
    3,513.58x = 4,855.16 × 3,342.74
  4. Step 4: Simplify right side
    3,513.58x = 16,229,537.54
  5. Step 5: Solve for x
    x = 16,229,537.54/3,513.58
  6. Step 6: Final answer
    x = 4,619.09

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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.