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Finding the Fourth Proportional to 3,338.94, 5,007.94 and 873.56

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Solution

The fourth proportional to 3,338.94, 5,007.94 and 873.56 is: 1,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.94 : 5,007.94 = 873.56 : x
  2. Step 2: Convert to fraction form
    3,338.94/5,007.94 = 873.56/x
  3. Step 3: Cross multiply
    3,338.94x = 5,007.94 × 873.56
  4. Step 4: Simplify right side
    3,338.94x = 4,374,736.07
  5. Step 5: Solve for x
    x = 4,374,736.07/3,338.94
  6. Step 6: Final answer
    x = 1,310.22

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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.