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Finding the Fourth Proportional to 51,805.60, 77,708.40 and 44,029.60

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Solution

The fourth proportional to 51,805.60, 77,708.40 and 44,029.60 is: 66,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.60 : 77,708.40 = 44,029.60 : x
  2. Step 2: Convert to fraction form
    51,805.60/77,708.40 = 44,029.60/x
  3. Step 3: Cross multiply
    51,805.60x = 77,708.40 × 44,029.60
  4. Step 4: Simplify right side
    51,805.60x = 3,421,469,768.64
  5. Step 5: Solve for x
    x = 3,421,469,768.64/51,805.60
  6. Step 6: Final answer
    x = 66,044.40

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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.