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Finding the Fourth Proportional to 4,486.71, 6,741.05 and 4,238.04

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Solution

The fourth proportional to 4,486.71, 6,741.05 and 4,238.04 is: 6,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.71 : 6,741.05 = 4,238.04 : x
  2. Step 2: Convert to fraction form
    4,486.71/6,741.05 = 4,238.04/x
  3. Step 3: Cross multiply
    4,486.71x = 6,741.05 × 4,238.04
  4. Step 4: Simplify right side
    4,486.71x = 28,568,839.54
  5. Step 5: Solve for x
    x = 28,568,839.54/4,486.71
  6. Step 6: Final answer
    x = 6,367.44

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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.