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Finding the Fourth Proportional to 66,700.26, 100,003.32 and 33,396.48

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Solution

The fourth proportional to 66,700.26, 100,003.32 and 33,396.48 is: 50,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,700.26 : 100,003.32 = 33,396.48 : x
  2. Step 2: Convert to fraction form
    66,700.26/100,003.32 = 33,396.48/x
  3. Step 3: Cross multiply
    66,700.26x = 100,003.32 × 33,396.48
  4. Step 4: Simplify right side
    66,700.26x = 3,339,758,876.31
  5. Step 5: Solve for x
    x = 3,339,758,876.31/66,700.26
  6. Step 6: Final answer
    x = 50,071.15

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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.