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Finding the Fourth Proportional to 16,611.66, 24,920.10 and 6,751.80

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Solution

The fourth proportional to 16,611.66, 24,920.10 and 6,751.80 is: 10,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.66 : 24,920.10 = 6,751.80 : x
  2. Step 2: Convert to fraction form
    16,611.66/24,920.10 = 6,751.80/x
  3. Step 3: Cross multiply
    16,611.66x = 24,920.10 × 6,751.80
  4. Step 4: Simplify right side
    16,611.66x = 168,255,531.18
  5. Step 5: Solve for x
    x = 168,255,531.18/16,611.66
  6. Step 6: Final answer
    x = 10,128.76

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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.