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Finding the Fourth Proportional to 6,791.58, 10,187.10 and 1,860.84

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Solution

The fourth proportional to 6,791.58, 10,187.10 and 1,860.84 is: 2,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.58 : 10,187.10 = 1,860.84 : x
  2. Step 2: Convert to fraction form
    6,791.58/10,187.10 = 1,860.84/x
  3. Step 3: Cross multiply
    6,791.58x = 10,187.10 × 1,860.84
  4. Step 4: Simplify right side
    6,791.58x = 18,956,563.16
  5. Step 5: Solve for x
    x = 18,956,563.16/6,791.58
  6. Step 6: Final answer
    x = 2,791.19

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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.