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Finding the Fourth Proportional to 21,950.24, 32,926.42 and 7,159.14

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Solution

The fourth proportional to 21,950.24, 32,926.42 and 7,159.14 is: 10,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.24 : 32,926.42 = 7,159.14 : x
  2. Step 2: Convert to fraction form
    21,950.24/32,926.42 = 7,159.14/x
  3. Step 3: Cross multiply
    21,950.24x = 32,926.42 × 7,159.14
  4. Step 4: Simplify right side
    21,950.24x = 235,724,850.48
  5. Step 5: Solve for x
    x = 235,724,850.48/21,950.24
  6. Step 6: Final answer
    x = 10,739.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.