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Finding the Fourth Proportional to 16,995.80, 25,460.50 and 11,134.64

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Solution

The fourth proportional to 16,995.80, 25,460.50 and 11,134.64 is: 16,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.80 : 25,460.50 = 11,134.64 : x
  2. Step 2: Convert to fraction form
    16,995.80/25,460.50 = 11,134.64/x
  3. Step 3: Cross multiply
    16,995.80x = 25,460.50 × 11,134.64
  4. Step 4: Simplify right side
    16,995.80x = 283,493,501.72
  5. Step 5: Solve for x
    x = 283,493,501.72/16,995.80
  6. Step 6: Final answer
    x = 16,680.21

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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.