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Finding the Fourth Proportional to 3,443.49, 5,165.26 and 846.43

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Solution

The fourth proportional to 3,443.49, 5,165.26 and 846.43 is: 1,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.49 : 5,165.26 = 846.43 : x
  2. Step 2: Convert to fraction form
    3,443.49/5,165.26 = 846.43/x
  3. Step 3: Cross multiply
    3,443.49x = 5,165.26 × 846.43
  4. Step 4: Simplify right side
    3,443.49x = 4,372,015.99
  5. Step 5: Solve for x
    x = 4,372,015.99/3,443.49
  6. Step 6: Final answer
    x = 1,269.65

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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.