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Finding the Fourth Proportional to 54,525.71, 75,245.05 and 30,326.90

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Solution

The fourth proportional to 54,525.71, 75,245.05 and 30,326.90 is: 41,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,525.71 : 75,245.05 = 30,326.90 : x
  2. Step 2: Convert to fraction form
    54,525.71/75,245.05 = 30,326.90/x
  3. Step 3: Cross multiply
    54,525.71x = 75,245.05 × 30,326.90
  4. Step 4: Simplify right side
    54,525.71x = 2,281,949,106.85
  5. Step 5: Solve for x
    x = 2,281,949,106.85/54,525.71
  6. Step 6: Final answer
    x = 41,850.88

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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.