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Finding the Fourth Proportional to 3,567.27, 4,942.73 and 3,486.63

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Solution

The fourth proportional to 3,567.27, 4,942.73 and 3,486.63 is: 4,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.27 : 4,942.73 = 3,486.63 : x
  2. Step 2: Convert to fraction form
    3,567.27/4,942.73 = 3,486.63/x
  3. Step 3: Cross multiply
    3,567.27x = 4,942.73 × 3,486.63
  4. Step 4: Simplify right side
    3,567.27x = 17,233,453.27
  5. Step 5: Solve for x
    x = 17,233,453.27/3,567.27
  6. Step 6: Final answer
    x = 4,830.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.