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Finding the Fourth Proportional to 17,259.64, 25,871.50 and 11,713.43

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Solution

The fourth proportional to 17,259.64, 25,871.50 and 11,713.43 is: 17,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,259.64 : 25,871.50 = 11,713.43 : x
  2. Step 2: Convert to fraction form
    17,259.64/25,871.50 = 11,713.43/x
  3. Step 3: Cross multiply
    17,259.64x = 25,871.50 × 11,713.43
  4. Step 4: Simplify right side
    17,259.64x = 303,044,004.25
  5. Step 5: Solve for x
    x = 303,044,004.25/17,259.64
  6. Step 6: Final answer
    x = 17,557.96

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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.