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Finding the Fourth Proportional to 3,579.03, 5,366.84 and 1,114.11

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Solution

The fourth proportional to 3,579.03, 5,366.84 and 1,114.11 is: 1,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.03 : 5,366.84 = 1,114.11 : x
  2. Step 2: Convert to fraction form
    3,579.03/5,366.84 = 1,114.11/x
  3. Step 3: Cross multiply
    3,579.03x = 5,366.84 × 1,114.11
  4. Step 4: Simplify right side
    3,579.03x = 5,979,244.54
  5. Step 5: Solve for x
    x = 5,979,244.54/3,579.03
  6. Step 6: Final answer
    x = 1,670.63

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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.