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Finding the Fourth Proportional to 14,676.61, 20,247.03 and 8,704.89

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Solution

The fourth proportional to 14,676.61, 20,247.03 and 8,704.89 is: 12,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.61 : 20,247.03 = 8,704.89 : x
  2. Step 2: Convert to fraction form
    14,676.61/20,247.03 = 8,704.89/x
  3. Step 3: Cross multiply
    14,676.61x = 20,247.03 × 8,704.89
  4. Step 4: Simplify right side
    14,676.61x = 176,248,168.98
  5. Step 5: Solve for x
    x = 176,248,168.98/14,676.61
  6. Step 6: Final answer
    x = 12,008.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.