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Finding the Fourth Proportional to 10,860.48, 16,327.08 and 8,692.92

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Solution

The fourth proportional to 10,860.48, 16,327.08 and 8,692.92 is: 13,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.48 : 16,327.08 = 8,692.92 : x
  2. Step 2: Convert to fraction form
    10,860.48/16,327.08 = 8,692.92/x
  3. Step 3: Cross multiply
    10,860.48x = 16,327.08 × 8,692.92
  4. Step 4: Simplify right side
    10,860.48x = 141,930,000.27
  5. Step 5: Solve for x
    x = 141,930,000.27/10,860.48
  6. Step 6: Final answer
    x = 13,068.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.