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Finding the Fourth Proportional to 50,169.63, 75,264.36 and 18,579.99

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Solution

The fourth proportional to 50,169.63, 75,264.36 and 18,579.99 is: 27,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,169.63 : 75,264.36 = 18,579.99 : x
  2. Step 2: Convert to fraction form
    50,169.63/75,264.36 = 18,579.99/x
  3. Step 3: Cross multiply
    50,169.63x = 75,264.36 × 18,579.99
  4. Step 4: Simplify right side
    50,169.63x = 1,398,411,056.16
  5. Step 5: Solve for x
    x = 1,398,411,056.16/50,169.63
  6. Step 6: Final answer
    x = 27,873.66

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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.