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Finding the Fourth Proportional to 50,962.59, 76,473.94 and 19,399.21

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Solution

The fourth proportional to 50,962.59, 76,473.94 and 19,399.21 is: 29,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,962.59 : 76,473.94 = 19,399.21 : x
  2. Step 2: Convert to fraction form
    50,962.59/76,473.94 = 19,399.21/x
  3. Step 3: Cross multiply
    50,962.59x = 76,473.94 × 19,399.21
  4. Step 4: Simplify right side
    50,962.59x = 1,483,534,021.59
  5. Step 5: Solve for x
    x = 1,483,534,021.59/50,962.59
  6. Step 6: Final answer
    x = 29,110.26

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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.