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Finding the Fourth Proportional to 2,614.98, 3,605.24 and 1,906.98

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Solution

The fourth proportional to 2,614.98, 3,605.24 and 1,906.98 is: 2,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.98 : 3,605.24 = 1,906.98 : x
  2. Step 2: Convert to fraction form
    2,614.98/3,605.24 = 1,906.98/x
  3. Step 3: Cross multiply
    2,614.98x = 3,605.24 × 1,906.98
  4. Step 4: Simplify right side
    2,614.98x = 6,875,120.58
  5. Step 5: Solve for x
    x = 6,875,120.58/2,614.98
  6. Step 6: Final answer
    x = 2,629.13

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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.