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Finding the Fourth Proportional to 7,953.01, 11,911.05 and 7,676.22

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Solution

The fourth proportional to 7,953.01, 11,911.05 and 7,676.22 is: 11,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.01 : 11,911.05 = 7,676.22 : x
  2. Step 2: Convert to fraction form
    7,953.01/11,911.05 = 7,676.22/x
  3. Step 3: Cross multiply
    7,953.01x = 11,911.05 × 7,676.22
  4. Step 4: Simplify right side
    7,953.01x = 91,431,884.90
  5. Step 5: Solve for x
    x = 91,431,884.90/7,953.01
  6. Step 6: Final answer
    x = 11,496.52

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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.