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Finding the Fourth Proportional to 17,896.86, 26,846.46 and 4,748.88

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Solution

The fourth proportional to 17,896.86, 26,846.46 and 4,748.88 is: 7,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.86 : 26,846.46 = 4,748.88 : x
  2. Step 2: Convert to fraction form
    17,896.86/26,846.46 = 4,748.88/x
  3. Step 3: Cross multiply
    17,896.86x = 26,846.46 × 4,748.88
  4. Step 4: Simplify right side
    17,896.86x = 127,490,616.96
  5. Step 5: Solve for x
    x = 127,490,616.96/17,896.86
  6. Step 6: Final answer
    x = 7,123.63

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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.