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Finding the Fourth Proportional to 3,008.00, 4,150.95 and 1,681.82

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Solution

The fourth proportional to 3,008.00, 4,150.95 and 1,681.82 is: 2,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.00 : 4,150.95 = 1,681.82 : x
  2. Step 2: Convert to fraction form
    3,008.00/4,150.95 = 1,681.82/x
  3. Step 3: Cross multiply
    3,008.00x = 4,150.95 × 1,681.82
  4. Step 4: Simplify right side
    3,008.00x = 6,981,150.73
  5. Step 5: Solve for x
    x = 6,981,150.73/3,008.00
  6. Step 6: Final answer
    x = 2,320.87

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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.