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Finding the Fourth Proportional to 7,600.66, 11,400.12 and 2,053.68

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Solution

The fourth proportional to 7,600.66, 11,400.12 and 2,053.68 is: 3,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.66 : 11,400.12 = 2,053.68 : x
  2. Step 2: Convert to fraction form
    7,600.66/11,400.12 = 2,053.68/x
  3. Step 3: Cross multiply
    7,600.66x = 11,400.12 × 2,053.68
  4. Step 4: Simplify right side
    7,600.66x = 23,412,198.44
  5. Step 5: Solve for x
    x = 23,412,198.44/7,600.66
  6. Step 6: Final answer
    x = 3,080.28

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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.