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Finding the Fourth Proportional to 2,675.48, 3,692.05 and 1,541.09

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Solution

The fourth proportional to 2,675.48, 3,692.05 and 1,541.09 is: 2,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.48 : 3,692.05 = 1,541.09 : x
  2. Step 2: Convert to fraction form
    2,675.48/3,692.05 = 1,541.09/x
  3. Step 3: Cross multiply
    2,675.48x = 3,692.05 × 1,541.09
  4. Step 4: Simplify right side
    2,675.48x = 5,689,786.71
  5. Step 5: Solve for x
    x = 5,689,786.71/2,675.48
  6. Step 6: Final answer
    x = 2,126.65

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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.