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Finding the Fourth Proportional to 28,622, 39,443.24 and 19,051.14

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Solution

The fourth proportional to 28,622, 39,443.24 and 19,051.14 is: 26,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622 : 39,443.24 = 19,051.14 : x
  2. Step 2: Convert to fraction form
    28,622/39,443.24 = 19,051.14/x
  3. Step 3: Cross multiply
    28,622x = 39,443.24 × 19,051.14
  4. Step 4: Simplify right side
    28,622x = 751,438,687.29
  5. Step 5: Solve for x
    x = 751,438,687.29/28,622
  6. Step 6: Final answer
    x = 26,253.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.