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Finding the Fourth Proportional to 3,537.95, 4,882.17 and 1,965.94

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Solution

The fourth proportional to 3,537.95, 4,882.17 and 1,965.94 is: 2,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.95 : 4,882.17 = 1,965.94 : x
  2. Step 2: Convert to fraction form
    3,537.95/4,882.17 = 1,965.94/x
  3. Step 3: Cross multiply
    3,537.95x = 4,882.17 × 1,965.94
  4. Step 4: Simplify right side
    3,537.95x = 9,598,048.46
  5. Step 5: Solve for x
    x = 9,598,048.46/3,537.95
  6. Step 6: Final answer
    x = 2,712.89

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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.