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Finding the Fourth Proportional to 6,791.63, 10,190.96 and 2,894.99

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Solution

The fourth proportional to 6,791.63, 10,190.96 and 2,894.99 is: 4,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.63 : 10,190.96 = 2,894.99 : x
  2. Step 2: Convert to fraction form
    6,791.63/10,190.96 = 2,894.99/x
  3. Step 3: Cross multiply
    6,791.63x = 10,190.96 × 2,894.99
  4. Step 4: Simplify right side
    6,791.63x = 29,502,712.82
  5. Step 5: Solve for x
    x = 29,502,712.82/6,791.63
  6. Step 6: Final answer
    x = 4,343.98

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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.