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Finding the Fourth Proportional to 3,461.70, 5,192.68 and 2,945.28

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Solution

The fourth proportional to 3,461.70, 5,192.68 and 2,945.28 is: 4,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.70 : 5,192.68 = 2,945.28 : x
  2. Step 2: Convert to fraction form
    3,461.70/5,192.68 = 2,945.28/x
  3. Step 3: Cross multiply
    3,461.70x = 5,192.68 × 2,945.28
  4. Step 4: Simplify right side
    3,461.70x = 15,293,896.55
  5. Step 5: Solve for x
    x = 15,293,896.55/3,461.70
  6. Step 6: Final answer
    x = 4,418.03

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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.