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Finding the Fourth Proportional to 46,755.77, 70,142.79 and 17,173.82

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Solution

The fourth proportional to 46,755.77, 70,142.79 and 17,173.82 is: 25,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,755.77 : 70,142.79 = 17,173.82 : x
  2. Step 2: Convert to fraction form
    46,755.77/70,142.79 = 17,173.82/x
  3. Step 3: Cross multiply
    46,755.77x = 70,142.79 × 17,173.82
  4. Step 4: Simplify right side
    46,755.77x = 1,204,619,889.52
  5. Step 5: Solve for x
    x = 1,204,619,889.52/46,755.77
  6. Step 6: Final answer
    x = 25,764.09

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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.