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Finding the Fourth Proportional to 54,880.52, 81,828.95 and 53,884.08

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Solution

The fourth proportional to 54,880.52, 81,828.95 and 53,884.08 is: 80,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,880.52 : 81,828.95 = 53,884.08 : x
  2. Step 2: Convert to fraction form
    54,880.52/81,828.95 = 53,884.08/x
  3. Step 3: Cross multiply
    54,880.52x = 81,828.95 × 53,884.08
  4. Step 4: Simplify right side
    54,880.52x = 4,409,277,418.70
  5. Step 5: Solve for x
    x = 4,409,277,418.70/54,880.52
  6. Step 6: Final answer
    x = 80,343.22

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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.