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Finding the Fourth Proportional to 54,494.36, 75,200.54 and 30,620.44

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Solution

The fourth proportional to 54,494.36, 75,200.54 and 30,620.44 is: 42,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,494.36 : 75,200.54 = 30,620.44 : x
  2. Step 2: Convert to fraction form
    54,494.36/75,200.54 = 30,620.44/x
  3. Step 3: Cross multiply
    54,494.36x = 75,200.54 × 30,620.44
  4. Step 4: Simplify right side
    54,494.36x = 2,302,673,623.04
  5. Step 5: Solve for x
    x = 2,302,673,623.04/54,494.36
  6. Step 6: Final answer
    x = 42,255.27

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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.