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Finding the Fourth Proportional to 66,748.86, 100,064.97 and 33,422.22

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Solution

The fourth proportional to 66,748.86, 100,064.97 and 33,422.22 is: 50,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,748.86 : 100,064.97 = 33,422.22 : x
  2. Step 2: Convert to fraction form
    66,748.86/100,064.97 = 33,422.22/x
  3. Step 3: Cross multiply
    66,748.86x = 100,064.97 × 33,422.22
  4. Step 4: Simplify right side
    66,748.86x = 3,344,393,441.63
  5. Step 5: Solve for x
    x = 3,344,393,441.63/66,748.86
  6. Step 6: Final answer
    x = 50,104.13

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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.