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Finding the Fourth Proportional to 7,676.40, 11,514.10 and 2,053.99

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Solution

The fourth proportional to 7,676.40, 11,514.10 and 2,053.99 is: 3,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.40 : 11,514.10 = 2,053.99 : x
  2. Step 2: Convert to fraction form
    7,676.40/11,514.10 = 2,053.99/x
  3. Step 3: Cross multiply
    7,676.40x = 11,514.10 × 2,053.99
  4. Step 4: Simplify right side
    7,676.40x = 23,649,846.26
  5. Step 5: Solve for x
    x = 23,649,846.26/7,676.40
  6. Step 6: Final answer
    x = 3,080.85

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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.