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Finding the Fourth Proportional to 5,787.21, 8,680.24 and 1,627.13

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Solution

The fourth proportional to 5,787.21, 8,680.24 and 1,627.13 is: 2,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.21 : 8,680.24 = 1,627.13 : x
  2. Step 2: Convert to fraction form
    5,787.21/8,680.24 = 1,627.13/x
  3. Step 3: Cross multiply
    5,787.21x = 8,680.24 × 1,627.13
  4. Step 4: Simplify right side
    5,787.21x = 14,123,878.91
  5. Step 5: Solve for x
    x = 14,123,878.91/5,787.21
  6. Step 6: Final answer
    x = 2,440.53

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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.