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Finding the Fourth Proportional to 2,060.81, 3,091.06 and 674.12

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Solution

The fourth proportional to 2,060.81, 3,091.06 and 674.12 is: 1,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.81 : 3,091.06 = 674.12 : x
  2. Step 2: Convert to fraction form
    2,060.81/3,091.06 = 674.12/x
  3. Step 3: Cross multiply
    2,060.81x = 3,091.06 × 674.12
  4. Step 4: Simplify right side
    2,060.81x = 2,083,753.94
  5. Step 5: Solve for x
    x = 2,083,753.94/2,060.81
  6. Step 6: Final answer
    x = 1,011.13

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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.