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Finding the Fourth Proportional to 66,008.21, 91,091.08 and 35,793.45

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Solution

The fourth proportional to 66,008.21, 91,091.08 and 35,793.45 is: 49,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,008.21 : 91,091.08 = 35,793.45 : x
  2. Step 2: Convert to fraction form
    66,008.21/91,091.08 = 35,793.45/x
  3. Step 3: Cross multiply
    66,008.21x = 91,091.08 × 35,793.45
  4. Step 4: Simplify right side
    66,008.21x = 3,260,463,927.94
  5. Step 5: Solve for x
    x = 3,260,463,927.94/66,008.21
  6. Step 6: Final answer
    x = 49,394.83

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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.