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Finding the Fourth Proportional to 66,282.96, 91,467.72 and 36,473.04

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Solution

The fourth proportional to 66,282.96, 91,467.72 and 36,473.04 is: 50,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,282.96 : 91,467.72 = 36,473.04 : x
  2. Step 2: Convert to fraction form
    66,282.96/91,467.72 = 36,473.04/x
  3. Step 3: Cross multiply
    66,282.96x = 91,467.72 × 36,473.04
  4. Step 4: Simplify right side
    66,282.96x = 3,336,105,810.27
  5. Step 5: Solve for x
    x = 3,336,105,810.27/66,282.96
  6. Step 6: Final answer
    x = 50,331.27

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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.