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Finding the Fourth Proportional to 2,692.72, 3,708.24 and 2,526.08

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Solution

The fourth proportional to 2,692.72, 3,708.24 and 2,526.08 is: 3,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.72 : 3,708.24 = 2,526.08 : x
  2. Step 2: Convert to fraction form
    2,692.72/3,708.24 = 2,526.08/x
  3. Step 3: Cross multiply
    2,692.72x = 3,708.24 × 2,526.08
  4. Step 4: Simplify right side
    2,692.72x = 9,367,310.90
  5. Step 5: Solve for x
    x = 9,367,310.90/2,692.72
  6. Step 6: Final answer
    x = 3,478.75

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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.