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Finding the Fourth Proportional to 17,211.88, 25,841.64 and 8,898.04

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Solution

The fourth proportional to 17,211.88, 25,841.64 and 8,898.04 is: 13,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.88 : 25,841.64 = 8,898.04 : x
  2. Step 2: Convert to fraction form
    17,211.88/25,841.64 = 8,898.04/x
  3. Step 3: Cross multiply
    17,211.88x = 25,841.64 × 8,898.04
  4. Step 4: Simplify right side
    17,211.88x = 229,939,946.39
  5. Step 5: Solve for x
    x = 229,939,946.39/17,211.88
  6. Step 6: Final answer
    x = 13,359.37

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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.