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Finding the Fourth Proportional to 54,595.20, 81,969.60 and 33,859.20

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Solution

The fourth proportional to 54,595.20, 81,969.60 and 33,859.20 is: 50,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,595.20 : 81,969.60 = 33,859.20 : x
  2. Step 2: Convert to fraction form
    54,595.20/81,969.60 = 33,859.20/x
  3. Step 3: Cross multiply
    54,595.20x = 81,969.60 × 33,859.20
  4. Step 4: Simplify right side
    54,595.20x = 2,775,425,080.32
  5. Step 5: Solve for x
    x = 2,775,425,080.32/54,595.20
  6. Step 6: Final answer
    x = 50,836.43

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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.