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Finding the Fourth Proportional to 1,851.73, 2,553.73 and 1,536.49

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Solution

The fourth proportional to 1,851.73, 2,553.73 and 1,536.49 is: 2,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.73 : 2,553.73 = 1,536.49 : x
  2. Step 2: Convert to fraction form
    1,851.73/2,553.73 = 1,536.49/x
  3. Step 3: Cross multiply
    1,851.73x = 2,553.73 × 1,536.49
  4. Step 4: Simplify right side
    1,851.73x = 3,923,780.61
  5. Step 5: Solve for x
    x = 3,923,780.61/1,851.73
  6. Step 6: Final answer
    x = 2,118.98

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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.