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Finding the Fourth Proportional to 14,994.28, 20,692.02 and 8,706.52

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Solution

The fourth proportional to 14,994.28, 20,692.02 and 8,706.52 is: 12,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.28 : 20,692.02 = 8,706.52 : x
  2. Step 2: Convert to fraction form
    14,994.28/20,692.02 = 8,706.52/x
  3. Step 3: Cross multiply
    14,994.28x = 20,692.02 × 8,706.52
  4. Step 4: Simplify right side
    14,994.28x = 180,155,485.97
  5. Step 5: Solve for x
    x = 180,155,485.97/14,994.28
  6. Step 6: Final answer
    x = 12,014.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.