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Finding the Fourth Proportional to 66,777.85, 100,206.12 and 24,687.67

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Solution

The fourth proportional to 66,777.85, 100,206.12 and 24,687.67 is: 37,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,777.85 : 100,206.12 = 24,687.67 : x
  2. Step 2: Convert to fraction form
    66,777.85/100,206.12 = 24,687.67/x
  3. Step 3: Cross multiply
    66,777.85x = 100,206.12 × 24,687.67
  4. Step 4: Simplify right side
    66,777.85x = 2,473,855,622.54
  5. Step 5: Solve for x
    x = 2,473,855,622.54/66,777.85
  6. Step 6: Final answer
    x = 37,046.05

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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.