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Finding the Fourth Proportional to 27,134.62, 40,696.44 and 7,411.53

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Solution

The fourth proportional to 27,134.62, 40,696.44 and 7,411.53 is: 11,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.62 : 40,696.44 = 7,411.53 : x
  2. Step 2: Convert to fraction form
    27,134.62/40,696.44 = 7,411.53/x
  3. Step 3: Cross multiply
    27,134.62x = 40,696.44 × 7,411.53
  4. Step 4: Simplify right side
    27,134.62x = 301,622,885.95
  5. Step 5: Solve for x
    x = 301,622,885.95/27,134.62
  6. Step 6: Final answer
    x = 11,115.80

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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.