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Finding the Fourth Proportional to 26,676.36, 40,021.02 and 7,955.64

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Solution

The fourth proportional to 26,676.36, 40,021.02 and 7,955.64 is: 11,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.36 : 40,021.02 = 7,955.64 : x
  2. Step 2: Convert to fraction form
    26,676.36/40,021.02 = 7,955.64/x
  3. Step 3: Cross multiply
    26,676.36x = 40,021.02 × 7,955.64
  4. Step 4: Simplify right side
    26,676.36x = 318,392,827.55
  5. Step 5: Solve for x
    x = 318,392,827.55/26,676.36
  6. Step 6: Final answer
    x = 11,935.39

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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.