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Finding the Fourth Proportional to 69,467.76, 95,866.02 and 37,636.86

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Solution

The fourth proportional to 69,467.76, 95,866.02 and 37,636.86 is: 51,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,467.76 : 95,866.02 = 37,636.86 : x
  2. Step 2: Convert to fraction form
    69,467.76/95,866.02 = 37,636.86/x
  3. Step 3: Cross multiply
    69,467.76x = 95,866.02 × 37,636.86
  4. Step 4: Simplify right side
    69,467.76x = 3,608,095,973.50
  5. Step 5: Solve for x
    x = 3,608,095,973.50/69,467.76
  6. Step 6: Final answer
    x = 51,939.14

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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.