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Finding the Fourth Proportional to 2,006.07, 3,008.80 and 774.06

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Solution

The fourth proportional to 2,006.07, 3,008.80 and 774.06 is: 1,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.07 : 3,008.80 = 774.06 : x
  2. Step 2: Convert to fraction form
    2,006.07/3,008.80 = 774.06/x
  3. Step 3: Cross multiply
    2,006.07x = 3,008.80 × 774.06
  4. Step 4: Simplify right side
    2,006.07x = 2,328,991.73
  5. Step 5: Solve for x
    x = 2,328,991.73/2,006.07
  6. Step 6: Final answer
    x = 1,160.97

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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.