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Finding the Fourth Proportional to 54,673.92, 75,450.24 and 30,800.88

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Solution

The fourth proportional to 54,673.92, 75,450.24 and 30,800.88 is: 42,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,673.92 : 75,450.24 = 30,800.88 : x
  2. Step 2: Convert to fraction form
    54,673.92/75,450.24 = 30,800.88/x
  3. Step 3: Cross multiply
    54,673.92x = 75,450.24 × 30,800.88
  4. Step 4: Simplify right side
    54,673.92x = 2,323,933,788.21
  5. Step 5: Solve for x
    x = 2,323,933,788.21/54,673.92
  6. Step 6: Final answer
    x = 42,505.34

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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.