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Finding the Fourth Proportional to 18,361.22, 27,541.35 and 5,880.74

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Solution

The fourth proportional to 18,361.22, 27,541.35 and 5,880.74 is: 8,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.22 : 27,541.35 = 5,880.74 : x
  2. Step 2: Convert to fraction form
    18,361.22/27,541.35 = 5,880.74/x
  3. Step 3: Cross multiply
    18,361.22x = 27,541.35 × 5,880.74
  4. Step 4: Simplify right side
    18,361.22x = 161,963,380.89
  5. Step 5: Solve for x
    x = 161,963,380.89/18,361.22
  6. Step 6: Final answer
    x = 8,820.95

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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.