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Finding the Fourth Proportional to 66,897.46, 100,198.14 and 27,334.54

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Solution

The fourth proportional to 66,897.46, 100,198.14 and 27,334.54 is: 40,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,897.46 : 100,198.14 = 27,334.54 : x
  2. Step 2: Convert to fraction form
    66,897.46/100,198.14 = 27,334.54/x
  3. Step 3: Cross multiply
    66,897.46x = 100,198.14 × 27,334.54
  4. Step 4: Simplify right side
    66,897.46x = 2,738,870,065.76
  5. Step 5: Solve for x
    x = 2,738,870,065.76/66,897.46
  6. Step 6: Final answer
    x = 40,941.32

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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.