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Finding the Fourth Proportional to 4,692.92, 7,034.72 and 2,613.87

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Solution

The fourth proportional to 4,692.92, 7,034.72 and 2,613.87 is: 3,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.92 : 7,034.72 = 2,613.87 : x
  2. Step 2: Convert to fraction form
    4,692.92/7,034.72 = 2,613.87/x
  3. Step 3: Cross multiply
    4,692.92x = 7,034.72 × 2,613.87
  4. Step 4: Simplify right side
    4,692.92x = 18,387,830.50
  5. Step 5: Solve for x
    x = 18,387,830.50/4,692.92
  6. Step 6: Final answer
    x = 3,918.21

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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.