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Finding the Fourth Proportional to 54,578.36, 75,453.36 and 54,080.21

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Solution

The fourth proportional to 54,578.36, 75,453.36 and 54,080.21 is: 74,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.36 : 75,453.36 = 54,080.21 : x
  2. Step 2: Convert to fraction form
    54,578.36/75,453.36 = 54,080.21/x
  3. Step 3: Cross multiply
    54,578.36x = 75,453.36 × 54,080.21
  4. Step 4: Simplify right side
    54,578.36x = 4,080,533,554.01
  5. Step 5: Solve for x
    x = 4,080,533,554.01/54,578.36
  6. Step 6: Final answer
    x = 74,764.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.