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Finding the Fourth Proportional to 27,012.70, 40,531.20 and 9,495.10

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Solution

The fourth proportional to 27,012.70, 40,531.20 and 9,495.10 is: 14,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.70 : 40,531.20 = 9,495.10 : x
  2. Step 2: Convert to fraction form
    27,012.70/40,531.20 = 9,495.10/x
  3. Step 3: Cross multiply
    27,012.70x = 40,531.20 × 9,495.10
  4. Step 4: Simplify right side
    27,012.70x = 384,847,797.12
  5. Step 5: Solve for x
    x = 384,847,797.12/27,012.70
  6. Step 6: Final answer
    x = 14,246.92

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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.