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Finding the Fourth Proportional to 34,655.80, 51,910.80 and 28,823.80

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Solution

The fourth proportional to 34,655.80, 51,910.80 and 28,823.80 is: 43,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,655.80 : 51,910.80 = 28,823.80 : x
  2. Step 2: Convert to fraction form
    34,655.80/51,910.80 = 28,823.80/x
  3. Step 3: Cross multiply
    34,655.80x = 51,910.80 × 28,823.80
  4. Step 4: Simplify right side
    34,655.80x = 1,496,266,517.04
  5. Step 5: Solve for x
    x = 1,496,266,517.04/34,655.80
  6. Step 6: Final answer
    x = 43,175.07

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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.