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Finding the Fourth Proportional to 17,958.66, 26,950.31 and 6,271.88

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Solution

The fourth proportional to 17,958.66, 26,950.31 and 6,271.88 is: 9,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.66 : 26,950.31 = 6,271.88 : x
  2. Step 2: Convert to fraction form
    17,958.66/26,950.31 = 6,271.88/x
  3. Step 3: Cross multiply
    17,958.66x = 26,950.31 × 6,271.88
  4. Step 4: Simplify right side
    17,958.66x = 169,028,944.17
  5. Step 5: Solve for x
    x = 169,028,944.17/17,958.66
  6. Step 6: Final answer
    x = 9,412.11

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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.