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Finding the Fourth Proportional to 3,600.92, 4,964.79 and 3,004.28

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Solution

The fourth proportional to 3,600.92, 4,964.79 and 3,004.28 is: 4,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.92 : 4,964.79 = 3,004.28 : x
  2. Step 2: Convert to fraction form
    3,600.92/4,964.79 = 3,004.28/x
  3. Step 3: Cross multiply
    3,600.92x = 4,964.79 × 3,004.28
  4. Step 4: Simplify right side
    3,600.92x = 14,915,594.48
  5. Step 5: Solve for x
    x = 14,915,594.48/3,600.92
  6. Step 6: Final answer
    x = 4,142.17

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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.