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Finding the Fourth Proportional to 50,994, 76,405.68 and 36,131.04

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Solution

The fourth proportional to 50,994, 76,405.68 and 36,131.04 is: 54,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,994 : 76,405.68 = 36,131.04 : x
  2. Step 2: Convert to fraction form
    50,994/76,405.68 = 36,131.04/x
  3. Step 3: Cross multiply
    50,994x = 76,405.68 × 36,131.04
  4. Step 4: Simplify right side
    50,994x = 2,760,616,680.31
  5. Step 5: Solve for x
    x = 2,760,616,680.31/50,994
  6. Step 6: Final answer
    x = 54,136.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.