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Finding the Fourth Proportional to 2,896.94, 4,346.09 and 949.13

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Solution

The fourth proportional to 2,896.94, 4,346.09 and 949.13 is: 1,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.94 : 4,346.09 = 949.13 : x
  2. Step 2: Convert to fraction form
    2,896.94/4,346.09 = 949.13/x
  3. Step 3: Cross multiply
    2,896.94x = 4,346.09 × 949.13
  4. Step 4: Simplify right side
    2,896.94x = 4,124,977.93
  5. Step 5: Solve for x
    x = 4,124,977.93/2,896.94
  6. Step 6: Final answer
    x = 1,423.91

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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.