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Finding the Fourth Proportional to 26,676.51, 40,016.82 and 7,955.12

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Solution

The fourth proportional to 26,676.51, 40,016.82 and 7,955.12 is: 11,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.51 : 40,016.82 = 7,955.12 : x
  2. Step 2: Convert to fraction form
    26,676.51/40,016.82 = 7,955.12/x
  3. Step 3: Cross multiply
    26,676.51x = 40,016.82 × 7,955.12
  4. Step 4: Simplify right side
    26,676.51x = 318,338,405.03
  5. Step 5: Solve for x
    x = 318,338,405.03/26,676.51
  6. Step 6: Final answer
    x = 11,933.29

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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.