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Finding the Fourth Proportional to 17,133.44, 23,642.64 and 9,579.12

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Solution

The fourth proportional to 17,133.44, 23,642.64 and 9,579.12 is: 13,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.44 : 23,642.64 = 9,579.12 : x
  2. Step 2: Convert to fraction form
    17,133.44/23,642.64 = 9,579.12/x
  3. Step 3: Cross multiply
    17,133.44x = 23,642.64 × 9,579.12
  4. Step 4: Simplify right side
    17,133.44x = 226,475,685.68
  5. Step 5: Solve for x
    x = 226,475,685.68/17,133.44
  6. Step 6: Final answer
    x = 13,218.34

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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.