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Finding the Fourth Proportional to 17,057.34, 25,601.88 and 8,743.32

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Solution

The fourth proportional to 17,057.34, 25,601.88 and 8,743.32 is: 13,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,057.34 : 25,601.88 = 8,743.32 : x
  2. Step 2: Convert to fraction form
    17,057.34/25,601.88 = 8,743.32/x
  3. Step 3: Cross multiply
    17,057.34x = 25,601.88 × 8,743.32
  4. Step 4: Simplify right side
    17,057.34x = 223,845,429.44
  5. Step 5: Solve for x
    x = 223,845,429.44/17,057.34
  6. Step 6: Final answer
    x = 13,123.11

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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.