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Finding the Fourth Proportional to 54,593.96, 81,899.13 and 19,525.40

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Solution

The fourth proportional to 54,593.96, 81,899.13 and 19,525.40 is: 29,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,593.96 : 81,899.13 = 19,525.40 : x
  2. Step 2: Convert to fraction form
    54,593.96/81,899.13 = 19,525.40/x
  3. Step 3: Cross multiply
    54,593.96x = 81,899.13 × 19,525.40
  4. Step 4: Simplify right side
    54,593.96x = 1,599,113,272.90
  5. Step 5: Solve for x
    x = 1,599,113,272.90/54,593.96
  6. Step 6: Final answer
    x = 29,291.03

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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.