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Finding the Fourth Proportional to 66,241.94, 91,412.99 and 36,026.61

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Solution

The fourth proportional to 66,241.94, 91,412.99 and 36,026.61 is: 49,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,241.94 : 91,412.99 = 36,026.61 : x
  2. Step 2: Convert to fraction form
    66,241.94/91,412.99 = 36,026.61/x
  3. Step 3: Cross multiply
    66,241.94x = 91,412.99 × 36,026.61
  4. Step 4: Simplify right side
    66,241.94x = 3,293,300,523.13
  5. Step 5: Solve for x
    x = 3,293,300,523.13/66,241.94
  6. Step 6: Final answer
    x = 49,716.24

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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.