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Finding the Fourth Proportional to 7,958.69, 11,934.96 and 2,692.30

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Solution

The fourth proportional to 7,958.69, 11,934.96 and 2,692.30 is: 4,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.69 : 11,934.96 = 2,692.30 : x
  2. Step 2: Convert to fraction form
    7,958.69/11,934.96 = 2,692.30/x
  3. Step 3: Cross multiply
    7,958.69x = 11,934.96 × 2,692.30
  4. Step 4: Simplify right side
    7,958.69x = 32,132,492.81
  5. Step 5: Solve for x
    x = 32,132,492.81/7,958.69
  6. Step 6: Final answer
    x = 4,037.41

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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.