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Finding the Fourth Proportional to 27,392,922.53, 41,079,691.82 and 7,958,105.16

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Solution

The fourth proportional to 27,392,922.53, 41,079,691.82 and 7,958,105.16 is: 11,934,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,392,922.53 : 41,079,691.82 = 7,958,105.16 : x
  2. Step 2: Convert to fraction form
    27,392,922.53/41,079,691.82 = 7,958,105.16/x
  3. Step 3: Cross multiply
    27,392,922.53x = 41,079,691.82 × 7,958,105.16
  4. Step 4: Simplify right side
    27,392,922.53x = 326,916,507,443,951.81
  5. Step 5: Solve for x
    x = 326,916,507,443,951.81/27,392,922.53
  6. Step 6: Final answer
    x = 11,934,342.06

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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.