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Finding the Fourth Proportional to 15,726.31, 23,589.47 and 4,039.54

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Solution

The fourth proportional to 15,726.31, 23,589.47 and 4,039.54 is: 6,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726.31 : 23,589.47 = 4,039.54 : x
  2. Step 2: Convert to fraction form
    15,726.31/23,589.47 = 4,039.54/x
  3. Step 3: Cross multiply
    15,726.31x = 23,589.47 × 4,039.54
  4. Step 4: Simplify right side
    15,726.31x = 95,290,607.64
  5. Step 5: Solve for x
    x = 95,290,607.64/15,726.31
  6. Step 6: Final answer
    x = 6,059.31

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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.