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Finding the Fourth Proportional to 54,462.54, 81,693.88 and 17,022.81

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Solution

The fourth proportional to 54,462.54, 81,693.88 and 17,022.81 is: 25,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,462.54 : 81,693.88 = 17,022.81 : x
  2. Step 2: Convert to fraction form
    54,462.54/81,693.88 = 17,022.81/x
  3. Step 3: Cross multiply
    54,462.54x = 81,693.88 × 17,022.81
  4. Step 4: Simplify right side
    54,462.54x = 1,390,659,661.20
  5. Step 5: Solve for x
    x = 1,390,659,661.20/54,462.54
  6. Step 6: Final answer
    x = 25,534.24

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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.