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Finding the Fourth Proportional to 3,402, 4,692.94 and 2,281.01

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Solution

The fourth proportional to 3,402, 4,692.94 and 2,281.01 is: 3,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402 : 4,692.94 = 2,281.01 : x
  2. Step 2: Convert to fraction form
    3,402/4,692.94 = 2,281.01/x
  3. Step 3: Cross multiply
    3,402x = 4,692.94 × 2,281.01
  4. Step 4: Simplify right side
    3,402x = 10,704,640.30
  5. Step 5: Solve for x
    x = 10,704,640.30/3,402
  6. Step 6: Final answer
    x = 3,146.57

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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.