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Finding the Fourth Proportional to 27,172.44, 40,764.54 and 8,452.14

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Solution

The fourth proportional to 27,172.44, 40,764.54 and 8,452.14 is: 12,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.44 : 40,764.54 = 8,452.14 : x
  2. Step 2: Convert to fraction form
    27,172.44/40,764.54 = 8,452.14/x
  3. Step 3: Cross multiply
    27,172.44x = 40,764.54 × 8,452.14
  4. Step 4: Simplify right side
    27,172.44x = 344,547,599.12
  5. Step 5: Solve for x
    x = 344,547,599.12/27,172.44
  6. Step 6: Final answer
    x = 12,680.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.