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Finding the Fourth Proportional to 53,297.54, 79,939.02 and 15,863.39

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Solution

The fourth proportional to 53,297.54, 79,939.02 and 15,863.39 is: 23,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.54 : 79,939.02 = 15,863.39 : x
  2. Step 2: Convert to fraction form
    53,297.54/79,939.02 = 15,863.39/x
  3. Step 3: Cross multiply
    53,297.54x = 79,939.02 × 15,863.39
  4. Step 4: Simplify right side
    53,297.54x = 1,268,104,050.33
  5. Step 5: Solve for x
    x = 1,268,104,050.33/53,297.54
  6. Step 6: Final answer
    x = 23,792.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.