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Finding the Fourth Proportional to 25,341.72, 38,012.60 and 6,873.72

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Solution

The fourth proportional to 25,341.72, 38,012.60 and 6,873.72 is: 10,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341.72 : 38,012.60 = 6,873.72 : x
  2. Step 2: Convert to fraction form
    25,341.72/38,012.60 = 6,873.72/x
  3. Step 3: Cross multiply
    25,341.72x = 38,012.60 × 6,873.72
  4. Step 4: Simplify right side
    25,341.72x = 261,287,968.87
  5. Step 5: Solve for x
    x = 261,287,968.87/25,341.72
  6. Step 6: Final answer
    x = 10,310.59

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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.