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Finding the Fourth Proportional to 17,157.16, 23,673 and 10,865.92

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Solution

The fourth proportional to 17,157.16, 23,673 and 10,865.92 is: 14,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.16 : 23,673 = 10,865.92 : x
  2. Step 2: Convert to fraction form
    17,157.16/23,673 = 10,865.92/x
  3. Step 3: Cross multiply
    17,157.16x = 23,673 × 10,865.92
  4. Step 4: Simplify right side
    17,157.16x = 257,228,924.16
  5. Step 5: Solve for x
    x = 257,228,924.16/17,157.16
  6. Step 6: Final answer
    x = 14,992.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.