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Finding the Fourth Proportional to 66,843.96, 100,210.59 and 35,236.32

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Solution

The fourth proportional to 66,843.96, 100,210.59 and 35,236.32 is: 52,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,843.96 : 100,210.59 = 35,236.32 : x
  2. Step 2: Convert to fraction form
    66,843.96/100,210.59 = 35,236.32/x
  3. Step 3: Cross multiply
    66,843.96x = 100,210.59 × 35,236.32
  4. Step 4: Simplify right side
    66,843.96x = 3,531,052,416.63
  5. Step 5: Solve for x
    x = 3,531,052,416.63/66,843.96
  6. Step 6: Final answer
    x = 52,825.30

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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.