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Finding the Fourth Proportional to 54,539.75, 81,809.73 and 15,096.98

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Solution

The fourth proportional to 54,539.75, 81,809.73 and 15,096.98 is: 22,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,539.75 : 81,809.73 = 15,096.98 : x
  2. Step 2: Convert to fraction form
    54,539.75/81,809.73 = 15,096.98/x
  3. Step 3: Cross multiply
    54,539.75x = 81,809.73 × 15,096.98
  4. Step 4: Simplify right side
    54,539.75x = 1,235,079,448.57
  5. Step 5: Solve for x
    x = 1,235,079,448.57/54,539.75
  6. Step 6: Final answer
    x = 22,645.49

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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.