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Finding the Fourth Proportional to 54,327.90, 81,487.80 and 22,729.80

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Solution

The fourth proportional to 54,327.90, 81,487.80 and 22,729.80 is: 34,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.90 : 81,487.80 = 22,729.80 : x
  2. Step 2: Convert to fraction form
    54,327.90/81,487.80 = 22,729.80/x
  3. Step 3: Cross multiply
    54,327.90x = 81,487.80 × 22,729.80
  4. Step 4: Simplify right side
    54,327.90x = 1,852,201,396.44
  5. Step 5: Solve for x
    x = 1,852,201,396.44/54,327.90
  6. Step 6: Final answer
    x = 34,093.01

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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.