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Finding the Fourth Proportional to 54,495, 81,698.37 and 17,035.77

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Solution

The fourth proportional to 54,495, 81,698.37 and 17,035.77 is: 25,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495 : 81,698.37 = 17,035.77 : x
  2. Step 2: Convert to fraction form
    54,495/81,698.37 = 17,035.77/x
  3. Step 3: Cross multiply
    54,495x = 81,698.37 × 17,035.77
  4. Step 4: Simplify right side
    54,495x = 1,391,794,640.69
  5. Step 5: Solve for x
    x = 1,391,794,640.69/54,495
  6. Step 6: Final answer
    x = 25,539.86

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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.