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Finding the Fourth Proportional to 60,579.90, 83,577.69 and 36,697.86

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Solution

The fourth proportional to 60,579.90, 83,577.69 and 36,697.86 is: 50,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579.90 : 83,577.69 = 36,697.86 : x
  2. Step 2: Convert to fraction form
    60,579.90/83,577.69 = 36,697.86/x
  3. Step 3: Cross multiply
    60,579.90x = 83,577.69 × 36,697.86
  4. Step 4: Simplify right side
    60,579.90x = 3,067,122,366.74
  5. Step 5: Solve for x
    x = 3,067,122,366.74/60,579.90
  6. Step 6: Final answer
    x = 50,629.37

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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.