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Finding the Fourth Proportional to 69,836.99, 96,375.62 and 38,005.81

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Solution

The fourth proportional to 69,836.99, 96,375.62 and 38,005.81 is: 52,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,836.99 : 96,375.62 = 38,005.81 : x
  2. Step 2: Convert to fraction form
    69,836.99/96,375.62 = 38,005.81/x
  3. Step 3: Cross multiply
    69,836.99x = 96,375.62 × 38,005.81
  4. Step 4: Simplify right side
    69,836.99x = 3,662,833,356.43
  5. Step 5: Solve for x
    x = 3,662,833,356.43/69,836.99
  6. Step 6: Final answer
    x = 52,448.33

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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.