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Finding the Fourth Proportional to 59,786.44, 89,635.74 and 28,643.56

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Solution

The fourth proportional to 59,786.44, 89,635.74 and 28,643.56 is: 42,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,786.44 : 89,635.74 = 28,643.56 : x
  2. Step 2: Convert to fraction form
    59,786.44/89,635.74 = 28,643.56/x
  3. Step 3: Cross multiply
    59,786.44x = 89,635.74 × 28,643.56
  4. Step 4: Simplify right side
    59,786.44x = 2,567,486,696.83
  5. Step 5: Solve for x
    x = 2,567,486,696.83/59,786.44
  6. Step 6: Final answer
    x = 42,944.30

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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.