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Finding the Fourth Proportional to 17,040.56, 25,564.94 and 5,353.77

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Solution

The fourth proportional to 17,040.56, 25,564.94 and 5,353.77 is: 8,031.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,040.56 : 25,564.94 = 5,353.77 : x
  2. Step 2: Convert to fraction form
    17,040.56/25,564.94 = 5,353.77/x
  3. Step 3: Cross multiply
    17,040.56x = 25,564.94 × 5,353.77
  4. Step 4: Simplify right side
    17,040.56x = 136,868,782.05
  5. Step 5: Solve for x
    x = 136,868,782.05/17,040.56
  6. Step 6: Final answer
    x = 8,031.94

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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.