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Finding the Fourth Proportional to 54,228.48, 81,341.76 and 17,292.48

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Solution

The fourth proportional to 54,228.48, 81,341.76 and 17,292.48 is: 25,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.48 : 81,341.76 = 17,292.48 : x
  2. Step 2: Convert to fraction form
    54,228.48/81,341.76 = 17,292.48/x
  3. Step 3: Cross multiply
    54,228.48x = 81,341.76 × 17,292.48
  4. Step 4: Simplify right side
    54,228.48x = 1,406,600,757.96
  5. Step 5: Solve for x
    x = 1,406,600,757.96/54,228.48
  6. Step 6: Final answer
    x = 25,938.41

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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.