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Finding the Fourth Proportional to 29,089.27, 40,158.39 and 19,579.15

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Solution

The fourth proportional to 29,089.27, 40,158.39 and 19,579.15 is: 27,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.27 : 40,158.39 = 19,579.15 : x
  2. Step 2: Convert to fraction form
    29,089.27/40,158.39 = 19,579.15/x
  3. Step 3: Cross multiply
    29,089.27x = 40,158.39 × 19,579.15
  4. Step 4: Simplify right side
    29,089.27x = 786,267,141.57
  5. Step 5: Solve for x
    x = 786,267,141.57/29,089.27
  6. Step 6: Final answer
    x = 27,029.46

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