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Finding the Fourth Proportional to 54,530.98, 81,796.60 and 16,580.60

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Solution

The fourth proportional to 54,530.98, 81,796.60 and 16,580.60 is: 24,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.98 : 81,796.60 = 16,580.60 : x
  2. Step 2: Convert to fraction form
    54,530.98/81,796.60 = 16,580.60/x
  3. Step 3: Cross multiply
    54,530.98x = 81,796.60 × 16,580.60
  4. Step 4: Simplify right side
    54,530.98x = 1,356,236,705.96
  5. Step 5: Solve for x
    x = 1,356,236,705.96/54,530.98
  6. Step 6: Final answer
    x = 24,870.94

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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.