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Finding the Fourth Proportional to 59,486.56, 82,048.44 and 50,519.86

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Solution

The fourth proportional to 59,486.56, 82,048.44 and 50,519.86 is: 69,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,486.56 : 82,048.44 = 50,519.86 : x
  2. Step 2: Convert to fraction form
    59,486.56/82,048.44 = 50,519.86/x
  3. Step 3: Cross multiply
    59,486.56x = 82,048.44 × 50,519.86
  4. Step 4: Simplify right side
    59,486.56x = 4,145,075,702.02
  5. Step 5: Solve for x
    x = 4,145,075,702.02/59,486.56
  6. Step 6: Final answer
    x = 69,680.88

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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.