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Finding the Fourth Proportional to 28,807.60, 43,308.60 and 24,530.80

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Solution

The fourth proportional to 28,807.60, 43,308.60 and 24,530.80 is: 36,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.60 : 43,308.60 = 24,530.80 : x
  2. Step 2: Convert to fraction form
    28,807.60/43,308.60 = 24,530.80/x
  3. Step 3: Cross multiply
    28,807.60x = 43,308.60 × 24,530.80
  4. Step 4: Simplify right side
    28,807.60x = 1,062,394,604.88
  5. Step 5: Solve for x
    x = 1,062,394,604.88/28,807.60
  6. Step 6: Final answer
    x = 36,878.97

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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.