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Finding the Fourth Proportional to 16,676.61, 25,014.96 and 6,815.89

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Solution

The fourth proportional to 16,676.61, 25,014.96 and 6,815.89 is: 10,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.61 : 25,014.96 = 6,815.89 : x
  2. Step 2: Convert to fraction form
    16,676.61/25,014.96 = 6,815.89/x
  3. Step 3: Cross multiply
    16,676.61x = 25,014.96 × 6,815.89
  4. Step 4: Simplify right side
    16,676.61x = 170,499,056.56
  5. Step 5: Solve for x
    x = 170,499,056.56/16,676.61
  6. Step 6: Final answer
    x = 10,223.85

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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.