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Finding the Fourth Proportional to 54,078.56, 81,070.84 and 25,984.52

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Solution

The fourth proportional to 54,078.56, 81,070.84 and 25,984.52 is: 38,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.56 : 81,070.84 = 25,984.52 : x
  2. Step 2: Convert to fraction form
    54,078.56/81,070.84 = 25,984.52/x
  3. Step 3: Cross multiply
    54,078.56x = 81,070.84 × 25,984.52
  4. Step 4: Simplify right side
    54,078.56x = 2,106,586,863.40
  5. Step 5: Solve for x
    x = 2,106,586,863.40/54,078.56
  6. Step 6: Final answer
    x = 38,954.20

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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.