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Finding the Fourth Proportional to 4,792.56, 7,181.56 and 2,192.46

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Solution

The fourth proportional to 4,792.56, 7,181.56 and 2,192.46 is: 3,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.56 : 7,181.56 = 2,192.46 : x
  2. Step 2: Convert to fraction form
    4,792.56/7,181.56 = 2,192.46/x
  3. Step 3: Cross multiply
    4,792.56x = 7,181.56 × 2,192.46
  4. Step 4: Simplify right side
    4,792.56x = 15,745,283.04
  5. Step 5: Solve for x
    x = 15,745,283.04/4,792.56
  6. Step 6: Final answer
    x = 3,285.36

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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.