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Finding the Fourth Proportional to 54,097.88, 81,146.82 and 17,159

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Solution

The fourth proportional to 54,097.88, 81,146.82 and 17,159 is: 25,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,097.88 : 81,146.82 = 17,159 : x
  2. Step 2: Convert to fraction form
    54,097.88/81,146.82 = 17,159/x
  3. Step 3: Cross multiply
    54,097.88x = 81,146.82 × 17,159
  4. Step 4: Simplify right side
    54,097.88x = 1,392,398,284.38
  5. Step 5: Solve for x
    x = 1,392,398,284.38/54,097.88
  6. Step 6: Final answer
    x = 25,738.50

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1.5x scale

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.