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Finding the Fourth Proportional to 17,097.51, 25,645.79 and 9,321.51

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Solution

The fourth proportional to 17,097.51, 25,645.79 and 9,321.51 is: 13,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,097.51 : 25,645.79 = 9,321.51 : x
  2. Step 2: Convert to fraction form
    17,097.51/25,645.79 = 9,321.51/x
  3. Step 3: Cross multiply
    17,097.51x = 25,645.79 × 9,321.51
  4. Step 4: Simplify right side
    17,097.51x = 239,057,441.34
  5. Step 5: Solve for x
    x = 239,057,441.34/17,097.51
  6. Step 6: Final answer
    x = 13,982.00

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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.