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Finding the Fourth Proportional to 9,692.94, 14,519.68 and 8,885.64

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Solution

The fourth proportional to 9,692.94, 14,519.68 and 8,885.64 is: 13,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,692.94 : 14,519.68 = 8,885.64 : x
  2. Step 2: Convert to fraction form
    9,692.94/14,519.68 = 8,885.64/x
  3. Step 3: Cross multiply
    9,692.94x = 14,519.68 × 8,885.64
  4. Step 4: Simplify right side
    9,692.94x = 129,016,649.40
  5. Step 5: Solve for x
    x = 129,016,649.40/9,692.94
  6. Step 6: Final answer
    x = 13,310.37

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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.