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Finding the Fourth Proportional to 2,741.79, 4,111.44 and 793.53

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Solution

The fourth proportional to 2,741.79, 4,111.44 and 793.53 is: 1,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.79 : 4,111.44 = 793.53 : x
  2. Step 2: Convert to fraction form
    2,741.79/4,111.44 = 793.53/x
  3. Step 3: Cross multiply
    2,741.79x = 4,111.44 × 793.53
  4. Step 4: Simplify right side
    2,741.79x = 3,262,550.98
  5. Step 5: Solve for x
    x = 3,262,550.98/2,741.79
  6. Step 6: Final answer
    x = 1,189.93

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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.