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Finding the Fourth Proportional to 21,481.08, 32,193.98 and 17,323.08

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Solution

The fourth proportional to 21,481.08, 32,193.98 and 17,323.08 is: 25,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.08 : 32,193.98 = 17,323.08 : x
  2. Step 2: Convert to fraction form
    21,481.08/32,193.98 = 17,323.08/x
  3. Step 3: Cross multiply
    21,481.08x = 32,193.98 × 17,323.08
  4. Step 4: Simplify right side
    21,481.08x = 557,698,891.06
  5. Step 5: Solve for x
    x = 557,698,891.06/21,481.08
  6. Step 6: Final answer
    x = 25,962.33

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1.5x scale

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.