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Finding the Fourth Proportional to 16,600.48, 24,900.80 and 4,120.80

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Solution

The fourth proportional to 16,600.48, 24,900.80 and 4,120.80 is: 6,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,600.48 : 24,900.80 = 4,120.80 : x
  2. Step 2: Convert to fraction form
    16,600.48/24,900.80 = 4,120.80/x
  3. Step 3: Cross multiply
    16,600.48x = 24,900.80 × 4,120.80
  4. Step 4: Simplify right side
    16,600.48x = 102,611,216.64
  5. Step 5: Solve for x
    x = 102,611,216.64/16,600.48
  6. Step 6: Final answer
    x = 6,181.22

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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.