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Finding the Fourth Proportional to 54,009.20, 80,916.60 and 44,094.80

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Solution

The fourth proportional to 54,009.20, 80,916.60 and 44,094.80 is: 66,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009.20 : 80,916.60 = 44,094.80 : x
  2. Step 2: Convert to fraction form
    54,009.20/80,916.60 = 44,094.80/x
  3. Step 3: Cross multiply
    54,009.20x = 80,916.60 × 44,094.80
  4. Step 4: Simplify right side
    54,009.20x = 3,568,001,293.68
  5. Step 5: Solve for x
    x = 3,568,001,293.68/54,009.20
  6. Step 6: Final answer
    x = 66,062.84

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1.5x scale

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.