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Finding the Fourth Proportional to 1,692.93, 2,536.31 and 1,171.46

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Solution

The fourth proportional to 1,692.93, 2,536.31 and 1,171.46 is: 1,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.93 : 2,536.31 = 1,171.46 : x
  2. Step 2: Convert to fraction form
    1,692.93/2,536.31 = 1,171.46/x
  3. Step 3: Cross multiply
    1,692.93x = 2,536.31 × 1,171.46
  4. Step 4: Simplify right side
    1,692.93x = 2,971,194.98
  5. Step 5: Solve for x
    x = 2,971,194.98/1,692.93
  6. Step 6: Final answer
    x = 1,755.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.