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Finding the Fourth Proportional to 66,740.68, 100,119.83 and 24,650.34

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Solution

The fourth proportional to 66,740.68, 100,119.83 and 24,650.34 is: 36,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740.68 : 100,119.83 = 24,650.34 : x
  2. Step 2: Convert to fraction form
    66,740.68/100,119.83 = 24,650.34/x
  3. Step 3: Cross multiply
    66,740.68x = 100,119.83 × 24,650.34
  4. Step 4: Simplify right side
    66,740.68x = 2,467,987,850.24
  5. Step 5: Solve for x
    x = 2,467,987,850.24/66,740.68
  6. Step 6: Final answer
    x = 36,978.76

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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.