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Finding the Fourth Proportional to 54,290.99, 81,447.24 and 16,849.46

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Solution

The fourth proportional to 54,290.99, 81,447.24 and 16,849.46 is: 25,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290.99 : 81,447.24 = 16,849.46 : x
  2. Step 2: Convert to fraction form
    54,290.99/81,447.24 = 16,849.46/x
  3. Step 3: Cross multiply
    54,290.99x = 81,447.24 × 16,849.46
  4. Step 4: Simplify right side
    54,290.99x = 1,372,341,605.25
  5. Step 5: Solve for x
    x = 1,372,341,605.25/54,290.99
  6. Step 6: Final answer
    x = 25,277.52

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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.