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Finding the Fourth Proportional to 66,241.26, 91,412.04 and 36,025.93

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Solution

The fourth proportional to 66,241.26, 91,412.04 and 36,025.93 is: 49,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,241.26 : 91,412.04 = 36,025.93 : x
  2. Step 2: Convert to fraction form
    66,241.26/91,412.04 = 36,025.93/x
  3. Step 3: Cross multiply
    66,241.26x = 91,412.04 × 36,025.93
  4. Step 4: Simplify right side
    66,241.26x = 3,293,203,754.20
  5. Step 5: Solve for x
    x = 3,293,203,754.20/66,241.26
  6. Step 6: Final answer
    x = 49,715.29

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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.