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Finding the Fourth Proportional to 58,380.93, 80,550.86 and 35,711.64

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Solution

The fourth proportional to 58,380.93, 80,550.86 and 35,711.64 is: 49,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,380.93 : 80,550.86 = 35,711.64 : x
  2. Step 2: Convert to fraction form
    58,380.93/80,550.86 = 35,711.64/x
  3. Step 3: Cross multiply
    58,380.93x = 80,550.86 × 35,711.64
  4. Step 4: Simplify right side
    58,380.93x = 2,876,603,135.45
  5. Step 5: Solve for x
    x = 2,876,603,135.45/58,380.93
  6. Step 6: Final answer
    x = 49,272.99

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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.