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Finding the Fourth Proportional to 16,611.98, 24,911.48 and 7,254.86

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Solution

The fourth proportional to 16,611.98, 24,911.48 and 7,254.86 is: 10,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.98 : 24,911.48 = 7,254.86 : x
  2. Step 2: Convert to fraction form
    16,611.98/24,911.48 = 7,254.86/x
  3. Step 3: Cross multiply
    16,611.98x = 24,911.48 × 7,254.86
  4. Step 4: Simplify right side
    16,611.98x = 180,729,299.79
  5. Step 5: Solve for x
    x = 180,729,299.79/16,611.98
  6. Step 6: Final answer
    x = 10,879.46

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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.