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Finding the Fourth Proportional to 66,796.98, 100,195.46 and 16,877.22

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Solution

The fourth proportional to 66,796.98, 100,195.46 and 16,877.22 is: 25,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,796.98 : 100,195.46 = 16,877.22 : x
  2. Step 2: Convert to fraction form
    66,796.98/100,195.46 = 16,877.22/x
  3. Step 3: Cross multiply
    66,796.98x = 100,195.46 × 16,877.22
  4. Step 4: Simplify right side
    66,796.98x = 1,691,020,821.42
  5. Step 5: Solve for x
    x = 1,691,020,821.42/66,796.98
  6. Step 6: Final answer
    x = 25,315.83

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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.