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Finding the Fourth Proportional to 2,950.05, 4,075.22 and 2,794.53

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Solution

The fourth proportional to 2,950.05, 4,075.22 and 2,794.53 is: 3,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.05 : 4,075.22 = 2,794.53 : x
  2. Step 2: Convert to fraction form
    2,950.05/4,075.22 = 2,794.53/x
  3. Step 3: Cross multiply
    2,950.05x = 4,075.22 × 2,794.53
  4. Step 4: Simplify right side
    2,950.05x = 11,388,310.57
  5. Step 5: Solve for x
    x = 11,388,310.57/2,950.05
  6. Step 6: Final answer
    x = 3,860.38

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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.