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Finding the Fourth Proportional to 17,661.30, 26,483.43 and 10,267.89

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Solution

The fourth proportional to 17,661.30, 26,483.43 and 10,267.89 is: 15,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.30 : 26,483.43 = 10,267.89 : x
  2. Step 2: Convert to fraction form
    17,661.30/26,483.43 = 10,267.89/x
  3. Step 3: Cross multiply
    17,661.30x = 26,483.43 × 10,267.89
  4. Step 4: Simplify right side
    17,661.30x = 271,928,946.06
  5. Step 5: Solve for x
    x = 271,928,946.06/17,661.30
  6. Step 6: Final answer
    x = 15,396.88

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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.