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Finding the Fourth Proportional to 18,491.24, 25,520.30 and 10,536.32

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Solution

The fourth proportional to 18,491.24, 25,520.30 and 10,536.32 is: 14,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.24 : 25,520.30 = 10,536.32 : x
  2. Step 2: Convert to fraction form
    18,491.24/25,520.30 = 10,536.32/x
  3. Step 3: Cross multiply
    18,491.24x = 25,520.30 × 10,536.32
  4. Step 4: Simplify right side
    18,491.24x = 268,890,047.30
  5. Step 5: Solve for x
    x = 268,890,047.30/18,491.24
  6. Step 6: Final answer
    x = 14,541.48

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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.