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Finding the Fourth Proportional to 4,491.09, 6,736.65 and 1,860.09

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Solution

The fourth proportional to 4,491.09, 6,736.65 and 1,860.09 is: 2,790.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.09 : 6,736.65 = 1,860.09 : x
  2. Step 2: Convert to fraction form
    4,491.09/6,736.65 = 1,860.09/x
  3. Step 3: Cross multiply
    4,491.09x = 6,736.65 × 1,860.09
  4. Step 4: Simplify right side
    4,491.09x = 12,530,775.30
  5. Step 5: Solve for x
    x = 12,530,775.30/4,491.09
  6. Step 6: Final answer
    x = 2,790.14

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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.