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Finding the Fourth Proportional to 60,782.76, 83,918.73 and 41,694.51

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Solution

The fourth proportional to 60,782.76, 83,918.73 and 41,694.51 is: 57,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,782.76 : 83,918.73 = 41,694.51 : x
  2. Step 2: Convert to fraction form
    60,782.76/83,918.73 = 41,694.51/x
  3. Step 3: Cross multiply
    60,782.76x = 83,918.73 × 41,694.51
  4. Step 4: Simplify right side
    60,782.76x = 3,498,950,327.17
  5. Step 5: Solve for x
    x = 3,498,950,327.17/60,782.76
  6. Step 6: Final answer
    x = 57,564.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.