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Finding the Fourth Proportional to 38,725.92, 53,458.02 and 26,167.68

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Solution

The fourth proportional to 38,725.92, 53,458.02 and 26,167.68 is: 36,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,725.92 : 53,458.02 = 26,167.68 : x
  2. Step 2: Convert to fraction form
    38,725.92/53,458.02 = 26,167.68/x
  3. Step 3: Cross multiply
    38,725.92x = 53,458.02 × 26,167.68
  4. Step 4: Simplify right side
    38,725.92x = 1,398,872,360.79
  5. Step 5: Solve for x
    x = 1,398,872,360.79/38,725.92
  6. Step 6: Final answer
    x = 36,122.38

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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.