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Finding the Fourth Proportional to 26,676.58, 40,016.89 and 7,955.15

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Solution

The fourth proportional to 26,676.58, 40,016.89 and 7,955.15 is: 11,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.58 : 40,016.89 = 7,955.15 : x
  2. Step 2: Convert to fraction form
    26,676.58/40,016.89 = 7,955.15/x
  3. Step 3: Cross multiply
    26,676.58x = 40,016.89 × 7,955.15
  4. Step 4: Simplify right side
    26,676.58x = 318,340,362.48
  5. Step 5: Solve for x
    x = 318,340,362.48/26,676.58
  6. Step 6: Final answer
    x = 11,933.33

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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.