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Finding the Fourth Proportional to 1,479.44, 2,041.67 and 850.07

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Solution

The fourth proportional to 1,479.44, 2,041.67 and 850.07 is: 1,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.44 : 2,041.67 = 850.07 : x
  2. Step 2: Convert to fraction form
    1,479.44/2,041.67 = 850.07/x
  3. Step 3: Cross multiply
    1,479.44x = 2,041.67 × 850.07
  4. Step 4: Simplify right side
    1,479.44x = 1,735,563.27
  5. Step 5: Solve for x
    x = 1,735,563.27/1,479.44
  6. Step 6: Final answer
    x = 1,173.12

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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.