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Finding the Fourth Proportional to 54,250.32, 74,830.32 and 35,380.56

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Solution

The fourth proportional to 54,250.32, 74,830.32 and 35,380.56 is: 48,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,250.32 : 74,830.32 = 35,380.56 : x
  2. Step 2: Convert to fraction form
    54,250.32/74,830.32 = 35,380.56/x
  3. Step 3: Cross multiply
    54,250.32x = 74,830.32 × 35,380.56
  4. Step 4: Simplify right side
    54,250.32x = 2,647,538,626.58
  5. Step 5: Solve for x
    x = 2,647,538,626.58/54,250.32
  6. Step 6: Final answer
    x = 48,802.27

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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.