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Finding the Fourth Proportional to 5,787.96, 8,683.20 and 1,892.76

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Solution

The fourth proportional to 5,787.96, 8,683.20 and 1,892.76 is: 2,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.96 : 8,683.20 = 1,892.76 : x
  2. Step 2: Convert to fraction form
    5,787.96/8,683.20 = 1,892.76/x
  3. Step 3: Cross multiply
    5,787.96x = 8,683.20 × 1,892.76
  4. Step 4: Simplify right side
    5,787.96x = 16,435,213.63
  5. Step 5: Solve for x
    x = 16,435,213.63/5,787.96
  6. Step 6: Final answer
    x = 2,839.55

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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.