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Finding the Fourth Proportional to 2,064.99, 3,079.11 and 2,039.49

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Solution

The fourth proportional to 2,064.99, 3,079.11 and 2,039.49 is: 3,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.99 : 3,079.11 = 2,039.49 : x
  2. Step 2: Convert to fraction form
    2,064.99/3,079.11 = 2,039.49/x
  3. Step 3: Cross multiply
    2,064.99x = 3,079.11 × 2,039.49
  4. Step 4: Simplify right side
    2,064.99x = 6,279,814.05
  5. Step 5: Solve for x
    x = 6,279,814.05/2,064.99
  6. Step 6: Final answer
    x = 3,041.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.