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Finding the Fourth Proportional to 54,877.52, 81,824.46 and 53,881.08

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Solution

The fourth proportional to 54,877.52, 81,824.46 and 53,881.08 is: 80,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.52 : 81,824.46 = 53,881.08 : x
  2. Step 2: Convert to fraction form
    54,877.52/81,824.46 = 53,881.08/x
  3. Step 3: Cross multiply
    54,877.52x = 81,824.46 × 53,881.08
  4. Step 4: Simplify right side
    54,877.52x = 4,408,790,275.22
  5. Step 5: Solve for x
    x = 4,408,790,275.22/54,877.52
  6. Step 6: Final answer
    x = 80,338.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.