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Finding the Fourth Proportional to 14,449.96, 21,692.22 and 8,609.32

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Solution

The fourth proportional to 14,449.96, 21,692.22 and 8,609.32 is: 12,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.96 : 21,692.22 = 8,609.32 : x
  2. Step 2: Convert to fraction form
    14,449.96/21,692.22 = 8,609.32/x
  3. Step 3: Cross multiply
    14,449.96x = 21,692.22 × 8,609.32
  4. Step 4: Simplify right side
    14,449.96x = 186,755,263.49
  5. Step 5: Solve for x
    x = 186,755,263.49/14,449.96
  6. Step 6: Final answer
    x = 12,924.28

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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.