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Finding the Fourth Proportional to 3,113.44, 4,670.16 and 804.94

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Solution

The fourth proportional to 3,113.44, 4,670.16 and 804.94 is: 1,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.44 : 4,670.16 = 804.94 : x
  2. Step 2: Convert to fraction form
    3,113.44/4,670.16 = 804.94/x
  3. Step 3: Cross multiply
    3,113.44x = 4,670.16 × 804.94
  4. Step 4: Simplify right side
    3,113.44x = 3,759,183.90
  5. Step 5: Solve for x
    x = 3,759,183.90/3,113.44
  6. Step 6: Final answer
    x = 1,207.41

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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.