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Finding the Fourth Proportional to 34,145.60, 51,250.80 and 29,220.80

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Solution

The fourth proportional to 34,145.60, 51,250.80 and 29,220.80 is: 43,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.60 : 51,250.80 = 29,220.80 : x
  2. Step 2: Convert to fraction form
    34,145.60/51,250.80 = 29,220.80/x
  3. Step 3: Cross multiply
    34,145.60x = 51,250.80 × 29,220.80
  4. Step 4: Simplify right side
    34,145.60x = 1,497,589,376.64
  5. Step 5: Solve for x
    x = 1,497,589,376.64/34,145.60
  6. Step 6: Final answer
    x = 43,858.93

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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.