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Finding the Fourth Proportional to 39,409.92, 54,392.74 and 23,495.41

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Solution

The fourth proportional to 39,409.92, 54,392.74 and 23,495.41 is: 32,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.92 : 54,392.74 = 23,495.41 : x
  2. Step 2: Convert to fraction form
    39,409.92/54,392.74 = 23,495.41/x
  3. Step 3: Cross multiply
    39,409.92x = 54,392.74 × 23,495.41
  4. Step 4: Simplify right side
    39,409.92x = 1,277,979,532.60
  5. Step 5: Solve for x
    x = 1,277,979,532.60/39,409.92
  6. Step 6: Final answer
    x = 32,427.86

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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.