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Finding the Fourth Proportional to 17,959.51, 27,073.87 and 16,755.45

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Solution

The fourth proportional to 17,959.51, 27,073.87 and 16,755.45 is: 25,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.51 : 27,073.87 = 16,755.45 : x
  2. Step 2: Convert to fraction form
    17,959.51/27,073.87 = 16,755.45/x
  3. Step 3: Cross multiply
    17,959.51x = 27,073.87 × 16,755.45
  4. Step 4: Simplify right side
    17,959.51x = 453,634,875.09
  5. Step 5: Solve for x
    x = 453,634,875.09/17,959.51
  6. Step 6: Final answer
    x = 25,258.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.