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Finding the Fourth Proportional to 2,681.73, 3,998.81 and 2,502.99

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Solution

The fourth proportional to 2,681.73, 3,998.81 and 2,502.99 is: 3,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.73 : 3,998.81 = 2,502.99 : x
  2. Step 2: Convert to fraction form
    2,681.73/3,998.81 = 2,502.99/x
  3. Step 3: Cross multiply
    2,681.73x = 3,998.81 × 2,502.99
  4. Step 4: Simplify right side
    2,681.73x = 10,008,987.70
  5. Step 5: Solve for x
    x = 10,008,987.70/2,681.73
  6. Step 6: Final answer
    x = 3,732.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.