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Finding the Fourth Proportional to 51,339.92, 77,034.36 and 27,965.84

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Solution

The fourth proportional to 51,339.92, 77,034.36 and 27,965.84 is: 41,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,339.92 : 77,034.36 = 27,965.84 : x
  2. Step 2: Convert to fraction form
    51,339.92/77,034.36 = 27,965.84/x
  3. Step 3: Cross multiply
    51,339.92x = 77,034.36 × 27,965.84
  4. Step 4: Simplify right side
    51,339.92x = 2,154,330,586.26
  5. Step 5: Solve for x
    x = 2,154,330,586.26/51,339.92
  6. Step 6: Final answer
    x = 41,962.09

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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.