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Finding the Fourth Proportional to 54,558.40, 81,837.60 and 26,910.40

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Solution

The fourth proportional to 54,558.40, 81,837.60 and 26,910.40 is: 40,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558.40 : 81,837.60 = 26,910.40 : x
  2. Step 2: Convert to fraction form
    54,558.40/81,837.60 = 26,910.40/x
  3. Step 3: Cross multiply
    54,558.40x = 81,837.60 × 26,910.40
  4. Step 4: Simplify right side
    54,558.40x = 2,202,282,551.04
  5. Step 5: Solve for x
    x = 2,202,282,551.04/54,558.40
  6. Step 6: Final answer
    x = 40,365.60

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1.5x scale

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.