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Finding the Fourth Proportional to 23,805.78, 32,850.78 and 13,195.32

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Solution

The fourth proportional to 23,805.78, 32,850.78 and 13,195.32 is: 18,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,805.78 : 32,850.78 = 13,195.32 : x
  2. Step 2: Convert to fraction form
    23,805.78/32,850.78 = 13,195.32/x
  3. Step 3: Cross multiply
    23,805.78x = 32,850.78 × 13,195.32
  4. Step 4: Simplify right side
    23,805.78x = 433,476,554.35
  5. Step 5: Solve for x
    x = 433,476,554.35/23,805.78
  6. Step 6: Final answer
    x = 18,208.88

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1.5x scale

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.