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Finding the Fourth Proportional to 29,384.40, 44,076.60 and 28,801.20

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Solution

The fourth proportional to 29,384.40, 44,076.60 and 28,801.20 is: 43,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,384.40 : 44,076.60 = 28,801.20 : x
  2. Step 2: Convert to fraction form
    29,384.40/44,076.60 = 28,801.20/x
  3. Step 3: Cross multiply
    29,384.40x = 44,076.60 × 28,801.20
  4. Step 4: Simplify right side
    29,384.40x = 1,269,458,971.92
  5. Step 5: Solve for x
    x = 1,269,458,971.92/29,384.40
  6. Step 6: Final answer
    x = 43,201.80

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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.