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Finding the Fourth Proportional to 16,576.90, 24,861.90 and 5,480.98

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Solution

The fourth proportional to 16,576.90, 24,861.90 and 5,480.98 is: 8,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,576.90 : 24,861.90 = 5,480.98 : x
  2. Step 2: Convert to fraction form
    16,576.90/24,861.90 = 5,480.98/x
  3. Step 3: Cross multiply
    16,576.90x = 24,861.90 × 5,480.98
  4. Step 4: Simplify right side
    16,576.90x = 136,267,576.66
  5. Step 5: Solve for x
    x = 136,267,576.66/16,576.90
  6. Step 6: Final answer
    x = 8,220.33

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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.