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Finding the Fourth Proportional to 66,544.21, 91,827.09 and 36,323.53

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Solution

The fourth proportional to 66,544.21, 91,827.09 and 36,323.53 is: 50,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.21 : 91,827.09 = 36,323.53 : x
  2. Step 2: Convert to fraction form
    66,544.21/91,827.09 = 36,323.53/x
  3. Step 3: Cross multiply
    66,544.21x = 91,827.09 × 36,323.53
  4. Step 4: Simplify right side
    66,544.21x = 3,335,483,876.81
  5. Step 5: Solve for x
    x = 3,335,483,876.81/66,544.21
  6. Step 6: Final answer
    x = 50,124.33

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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.