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Finding the Fourth Proportional to 54,818.51, 82,227.78 and 13,265.51

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Solution

The fourth proportional to 54,818.51, 82,227.78 and 13,265.51 is: 19,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818.51 : 82,227.78 = 13,265.51 : x
  2. Step 2: Convert to fraction form
    54,818.51/82,227.78 = 13,265.51/x
  3. Step 3: Cross multiply
    54,818.51x = 82,227.78 × 13,265.51
  4. Step 4: Simplify right side
    54,818.51x = 1,090,793,437.87
  5. Step 5: Solve for x
    x = 1,090,793,437.87/54,818.51
  6. Step 6: Final answer
    x = 19,898.27

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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.