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Finding the Fourth Proportional to 2,626.06, 3,939.09 and 1,066.06

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Solution

The fourth proportional to 2,626.06, 3,939.09 and 1,066.06 is: 1,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.06 : 3,939.09 = 1,066.06 : x
  2. Step 2: Convert to fraction form
    2,626.06/3,939.09 = 1,066.06/x
  3. Step 3: Cross multiply
    2,626.06x = 3,939.09 × 1,066.06
  4. Step 4: Simplify right side
    2,626.06x = 4,199,306.29
  5. Step 5: Solve for x
    x = 4,199,306.29/2,626.06
  6. Step 6: Final answer
    x = 1,599.09

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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.