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Finding the Fourth Proportional to 69,655.50, 96,126.39 and 37,824.39

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Solution

The fourth proportional to 69,655.50, 96,126.39 and 37,824.39 is: 52,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,655.50 : 96,126.39 = 37,824.39 : x
  2. Step 2: Convert to fraction form
    69,655.50/96,126.39 = 37,824.39/x
  3. Step 3: Cross multiply
    69,655.50x = 96,126.39 × 37,824.39
  4. Step 4: Simplify right side
    69,655.50x = 3,635,922,064.65
  5. Step 5: Solve for x
    x = 3,635,922,064.65/69,655.50
  6. Step 6: Final answer
    x = 52,198.64

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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.