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Finding the Fourth Proportional to 18,205.44, 25,128 and 10,752

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Solution

The fourth proportional to 18,205.44, 25,128 and 10,752 is: 14,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.44 : 25,128 = 10,752 : x
  2. Step 2: Convert to fraction form
    18,205.44/25,128 = 10,752/x
  3. Step 3: Cross multiply
    18,205.44x = 25,128 × 10,752
  4. Step 4: Simplify right side
    18,205.44x = 270,176,256
  5. Step 5: Solve for x
    x = 270,176,256/18,205.44
  6. Step 6: Final answer
    x = 14,840.41

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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.