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Finding the Fourth Proportional to 2,771.92, 3,824.28 and 1,592.16

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Solution

The fourth proportional to 2,771.92, 3,824.28 and 1,592.16 is: 2,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.92 : 3,824.28 = 1,592.16 : x
  2. Step 2: Convert to fraction form
    2,771.92/3,824.28 = 1,592.16/x
  3. Step 3: Cross multiply
    2,771.92x = 3,824.28 × 1,592.16
  4. Step 4: Simplify right side
    2,771.92x = 6,088,865.64
  5. Step 5: Solve for x
    x = 6,088,865.64/2,771.92
  6. Step 6: Final answer
    x = 2,196.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.