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Finding the Fourth Proportional to 17,133.79, 23,645.81 and 9,579.97

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Solution

The fourth proportional to 17,133.79, 23,645.81 and 9,579.97 is: 13,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.79 : 23,645.81 = 9,579.97 : x
  2. Step 2: Convert to fraction form
    17,133.79/23,645.81 = 9,579.97/x
  3. Step 3: Cross multiply
    17,133.79x = 23,645.81 × 9,579.97
  4. Step 4: Simplify right side
    17,133.79x = 226,525,984.30
  5. Step 5: Solve for x
    x = 226,525,984.30/17,133.79
  6. Step 6: Final answer
    x = 13,221.01

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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.