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Finding the Fourth Proportional to 17,215.80, 25,799.08 and 9,804.96

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Solution

The fourth proportional to 17,215.80, 25,799.08 and 9,804.96 is: 14,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.80 : 25,799.08 = 9,804.96 : x
  2. Step 2: Convert to fraction form
    17,215.80/25,799.08 = 9,804.96/x
  3. Step 3: Cross multiply
    17,215.80x = 25,799.08 × 9,804.96
  4. Step 4: Simplify right side
    17,215.80x = 252,958,947.44
  5. Step 5: Solve for x
    x = 252,958,947.44/17,215.80
  6. Step 6: Final answer
    x = 14,693.42

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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.