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Finding the Fourth Proportional to 51,810.80, 77,716.20 and 44,034.80

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Solution

The fourth proportional to 51,810.80, 77,716.20 and 44,034.80 is: 66,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,810.80 : 77,716.20 = 44,034.80 : x
  2. Step 2: Convert to fraction form
    51,810.80/77,716.20 = 44,034.80/x
  3. Step 3: Cross multiply
    51,810.80x = 77,716.20 × 44,034.80
  4. Step 4: Simplify right side
    51,810.80x = 3,422,217,323.76
  5. Step 5: Solve for x
    x = 3,422,217,323.76/51,810.80
  6. Step 6: Final answer
    x = 66,052.20

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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.