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Finding the Fourth Proportional to 28,804.60, 43,166.40 and 22,891.60

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Solution

The fourth proportional to 28,804.60, 43,166.40 and 22,891.60 is: 34,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.60 : 43,166.40 = 22,891.60 : x
  2. Step 2: Convert to fraction form
    28,804.60/43,166.40 = 22,891.60/x
  3. Step 3: Cross multiply
    28,804.60x = 43,166.40 × 22,891.60
  4. Step 4: Simplify right side
    28,804.60x = 988,147,962.24
  5. Step 5: Solve for x
    x = 988,147,962.24/28,804.60
  6. Step 6: Final answer
    x = 34,305.21

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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.