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Finding the Fourth Proportional to 17,900.91, 26,849.31 and 4,754.31

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Solution

The fourth proportional to 17,900.91, 26,849.31 and 4,754.31 is: 7,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.91 : 26,849.31 = 4,754.31 : x
  2. Step 2: Convert to fraction form
    17,900.91/26,849.31 = 4,754.31/x
  3. Step 3: Cross multiply
    17,900.91x = 26,849.31 × 4,754.31
  4. Step 4: Simplify right side
    17,900.91x = 127,649,943.03
  5. Step 5: Solve for x
    x = 127,649,943.03/17,900.91
  6. Step 6: Final answer
    x = 7,130.92

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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.