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Finding the Fourth Proportional to 32,943.60, 49,512.60 and 28,666.80

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Solution

The fourth proportional to 32,943.60, 49,512.60 and 28,666.80 is: 43,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,943.60 : 49,512.60 = 28,666.80 : x
  2. Step 2: Convert to fraction form
    32,943.60/49,512.60 = 28,666.80/x
  3. Step 3: Cross multiply
    32,943.60x = 49,512.60 × 28,666.80
  4. Step 4: Simplify right side
    32,943.60x = 1,419,367,801.68
  5. Step 5: Solve for x
    x = 1,419,367,801.68/32,943.60
  6. Step 6: Final answer
    x = 43,084.78

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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.