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Finding the Fourth Proportional to 56,059.77, 77,696.43 and 55,010.01

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Solution

The fourth proportional to 56,059.77, 77,696.43 and 55,010.01 is: 76,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,059.77 : 77,696.43 = 55,010.01 : x
  2. Step 2: Convert to fraction form
    56,059.77/77,696.43 = 55,010.01/x
  3. Step 3: Cross multiply
    56,059.77x = 77,696.43 × 55,010.01
  4. Step 4: Simplify right side
    56,059.77x = 4,274,081,391.26
  5. Step 5: Solve for x
    x = 4,274,081,391.26/56,059.77
  6. Step 6: Final answer
    x = 76,241.51

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.