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Finding the Fourth Proportional to 18,608.28, 27,874.71 and 8,598.80

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Solution

The fourth proportional to 18,608.28, 27,874.71 and 8,598.80 is: 12,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.28 : 27,874.71 = 8,598.80 : x
  2. Step 2: Convert to fraction form
    18,608.28/27,874.71 = 8,598.80/x
  3. Step 3: Cross multiply
    18,608.28x = 27,874.71 × 8,598.80
  4. Step 4: Simplify right side
    18,608.28x = 239,688,916.97
  5. Step 5: Solve for x
    x = 239,688,916.97/18,608.28
  6. Step 6: Final answer
    x = 12,880.77

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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.