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Finding the Fourth Proportional to 25,995.76, 38,984.44 and 8,462.32

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Solution

The fourth proportional to 25,995.76, 38,984.44 and 8,462.32 is: 12,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,995.76 : 38,984.44 = 8,462.32 : x
  2. Step 2: Convert to fraction form
    25,995.76/38,984.44 = 8,462.32/x
  3. Step 3: Cross multiply
    25,995.76x = 38,984.44 × 8,462.32
  4. Step 4: Simplify right side
    25,995.76x = 329,898,806.30
  5. Step 5: Solve for x
    x = 329,898,806.30/25,995.76
  6. Step 6: Final answer
    x = 12,690.49

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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.