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Finding the Fourth Proportional to 26,676.96, 40,018.09 and 7,953.67

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Solution

The fourth proportional to 26,676.96, 40,018.09 and 7,953.67 is: 11,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.96 : 40,018.09 = 7,953.67 : x
  2. Step 2: Convert to fraction form
    26,676.96/40,018.09 = 7,953.67/x
  3. Step 3: Cross multiply
    26,676.96x = 40,018.09 × 7,953.67
  4. Step 4: Simplify right side
    26,676.96x = 318,290,681.89
  5. Step 5: Solve for x
    x = 318,290,681.89/26,676.96
  6. Step 6: Final answer
    x = 11,931.30

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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.