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Finding the Fourth Proportional to 54,040.80, 80,866.80 and 36,544.80

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Solution

The fourth proportional to 54,040.80, 80,866.80 and 36,544.80 is: 54,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,040.80 : 80,866.80 = 36,544.80 : x
  2. Step 2: Convert to fraction form
    54,040.80/80,866.80 = 36,544.80/x
  3. Step 3: Cross multiply
    54,040.80x = 80,866.80 × 36,544.80
  4. Step 4: Simplify right side
    54,040.80x = 2,955,261,032.64
  5. Step 5: Solve for x
    x = 2,955,261,032.64/54,040.80
  6. Step 6: Final answer
    x = 54,685.74

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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.