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Finding the Fourth Proportional to 10,791.94, 16,186.74 and 2,895.25

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Solution

The fourth proportional to 10,791.94, 16,186.74 and 2,895.25 is: 4,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.94 : 16,186.74 = 2,895.25 : x
  2. Step 2: Convert to fraction form
    10,791.94/16,186.74 = 2,895.25/x
  3. Step 3: Cross multiply
    10,791.94x = 16,186.74 × 2,895.25
  4. Step 4: Simplify right side
    10,791.94x = 46,864,658.99
  5. Step 5: Solve for x
    x = 46,864,658.99/10,791.94
  6. Step 6: Final answer
    x = 4,342.56

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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.