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Finding the Fourth Proportional to 8,375.13, 12,566.13 and 3,692.65

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Solution

The fourth proportional to 8,375.13, 12,566.13 and 3,692.65 is: 5,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.13 : 12,566.13 = 3,692.65 : x
  2. Step 2: Convert to fraction form
    8,375.13/12,566.13 = 3,692.65/x
  3. Step 3: Cross multiply
    8,375.13x = 12,566.13 × 3,692.65
  4. Step 4: Simplify right side
    8,375.13x = 46,402,319.94
  5. Step 5: Solve for x
    x = 46,402,319.94/8,375.13
  6. Step 6: Final answer
    x = 5,540.49

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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.