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Finding the Fourth Proportional to 40,226.80, 60,361.80 and 16,855.60

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Solution

The fourth proportional to 40,226.80, 60,361.80 and 16,855.60 is: 25,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.80 : 60,361.80 = 16,855.60 : x
  2. Step 2: Convert to fraction form
    40,226.80/60,361.80 = 16,855.60/x
  3. Step 3: Cross multiply
    40,226.80x = 60,361.80 × 16,855.60
  4. Step 4: Simplify right side
    40,226.80x = 1,017,434,356.08
  5. Step 5: Solve for x
    x = 1,017,434,356.08/40,226.80
  6. Step 6: Final answer
    x = 25,292.45

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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.