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Finding the Fourth Proportional to 5,787.12, 8,680.56 and 2,323.56

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Solution

The fourth proportional to 5,787.12, 8,680.56 and 2,323.56 is: 3,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.12 : 8,680.56 = 2,323.56 : x
  2. Step 2: Convert to fraction form
    5,787.12/8,680.56 = 2,323.56/x
  3. Step 3: Cross multiply
    5,787.12x = 8,680.56 × 2,323.56
  4. Step 4: Simplify right side
    5,787.12x = 20,169,801.99
  5. Step 5: Solve for x
    x = 20,169,801.99/5,787.12
  6. Step 6: Final answer
    x = 3,485.29

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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.