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Finding the Fourth Proportional to 40,523.22, 60,787.80 and 10,940.40

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Solution

The fourth proportional to 40,523.22, 60,787.80 and 10,940.40 is: 16,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,523.22 : 60,787.80 = 10,940.40 : x
  2. Step 2: Convert to fraction form
    40,523.22/60,787.80 = 10,940.40/x
  3. Step 3: Cross multiply
    40,523.22x = 60,787.80 × 10,940.40
  4. Step 4: Simplify right side
    40,523.22x = 665,042,847.12
  5. Step 5: Solve for x
    x = 665,042,847.12/40,523.22
  6. Step 6: Final answer
    x = 16,411.40

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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.