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Finding the Fourth Proportional to 17,259.05, 25,914.49 and 9,871.85

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Solution

The fourth proportional to 17,259.05, 25,914.49 and 9,871.85 is: 14,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,259.05 : 25,914.49 = 9,871.85 : x
  2. Step 2: Convert to fraction form
    17,259.05/25,914.49 = 9,871.85/x
  3. Step 3: Cross multiply
    17,259.05x = 25,914.49 × 9,871.85
  4. Step 4: Simplify right side
    17,259.05x = 255,823,803.85
  5. Step 5: Solve for x
    x = 255,823,803.85/17,259.05
  6. Step 6: Final answer
    x = 14,822.59

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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.