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Finding the Fourth Proportional to 39,495.68, 54,517.76 and 22,735.36

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Solution

The fourth proportional to 39,495.68, 54,517.76 and 22,735.36 is: 31,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,495.68 : 54,517.76 = 22,735.36 : x
  2. Step 2: Convert to fraction form
    39,495.68/54,517.76 = 22,735.36/x
  3. Step 3: Cross multiply
    39,495.68x = 54,517.76 × 22,735.36
  4. Step 4: Simplify right side
    39,495.68x = 1,239,480,899.99
  5. Step 5: Solve for x
    x = 1,239,480,899.99/39,495.68
  6. Step 6: Final answer
    x = 31,382.70

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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.