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Finding the Fourth Proportional to 4,692.99, 7,047.54 and 4,167.09

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Solution

The fourth proportional to 4,692.99, 7,047.54 and 4,167.09 is: 6,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.99 : 7,047.54 = 4,167.09 : x
  2. Step 2: Convert to fraction form
    4,692.99/7,047.54 = 4,167.09/x
  3. Step 3: Cross multiply
    4,692.99x = 7,047.54 × 4,167.09
  4. Step 4: Simplify right side
    4,692.99x = 29,367,733.46
  5. Step 5: Solve for x
    x = 29,367,733.46/4,692.99
  6. Step 6: Final answer
    x = 6,257.78

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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.