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Finding the Fourth Proportional to 14,991.94, 22,487.89 and 4,461.92

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Solution

The fourth proportional to 14,991.94, 22,487.89 and 4,461.92 is: 6,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.94 : 22,487.89 = 4,461.92 : x
  2. Step 2: Convert to fraction form
    14,991.94/22,487.89 = 4,461.92/x
  3. Step 3: Cross multiply
    14,991.94x = 22,487.89 × 4,461.92
  4. Step 4: Simplify right side
    14,991.94x = 100,339,166.15
  5. Step 5: Solve for x
    x = 100,339,166.15/14,991.94
  6. Step 6: Final answer
    x = 6,692.87

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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.