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Finding the Fourth Proportional to 29,811.20, 44,803.20 and 26,009.60

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Solution

The fourth proportional to 29,811.20, 44,803.20 and 26,009.60 is: 39,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.20 : 44,803.20 = 26,009.60 : x
  2. Step 2: Convert to fraction form
    29,811.20/44,803.20 = 26,009.60/x
  3. Step 3: Cross multiply
    29,811.20x = 44,803.20 × 26,009.60
  4. Step 4: Simplify right side
    29,811.20x = 1,165,313,310.72
  5. Step 5: Solve for x
    x = 1,165,313,310.72/29,811.20
  6. Step 6: Final answer
    x = 39,089.78

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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.