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Finding the Fourth Proportional to 65,476.69, 90,357.83 and 35,668.69

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Solution

The fourth proportional to 65,476.69, 90,357.83 and 35,668.69 is: 49,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,476.69 : 90,357.83 = 35,668.69 : x
  2. Step 2: Convert to fraction form
    65,476.69/90,357.83 = 35,668.69/x
  3. Step 3: Cross multiply
    65,476.69x = 90,357.83 × 35,668.69
  4. Step 4: Simplify right side
    65,476.69x = 3,222,945,156.86
  5. Step 5: Solve for x
    x = 3,222,945,156.86/65,476.69
  6. Step 6: Final answer
    x = 49,222.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.