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Finding the Fourth Proportional to 66,107.67, 91,229.22 and 35,893.32

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Solution

The fourth proportional to 66,107.67, 91,229.22 and 35,893.32 is: 49,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,107.67 : 91,229.22 = 35,893.32 : x
  2. Step 2: Convert to fraction form
    66,107.67/91,229.22 = 35,893.32/x
  3. Step 3: Cross multiply
    66,107.67x = 91,229.22 × 35,893.32
  4. Step 4: Simplify right side
    66,107.67x = 3,274,519,586.81
  5. Step 5: Solve for x
    x = 3,274,519,586.81/66,107.67
  6. Step 6: Final answer
    x = 49,533.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.