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Finding the Fourth Proportional to 69,479.07, 95,881.20 and 37,647.96

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Solution

The fourth proportional to 69,479.07, 95,881.20 and 37,647.96 is: 51,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,479.07 : 95,881.20 = 37,647.96 : x
  2. Step 2: Convert to fraction form
    69,479.07/95,881.20 = 37,647.96/x
  3. Step 3: Cross multiply
    69,479.07x = 95,881.20 × 37,647.96
  4. Step 4: Simplify right side
    69,479.07x = 3,609,731,582.35
  5. Step 5: Solve for x
    x = 3,609,731,582.35/69,479.07
  6. Step 6: Final answer
    x = 51,954.23

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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.