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Finding the Fourth Proportional to 16,241.04, 22,412.60 and 8,789.04

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Solution

The fourth proportional to 16,241.04, 22,412.60 and 8,789.04 is: 12,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,241.04 : 22,412.60 = 8,789.04 : x
  2. Step 2: Convert to fraction form
    16,241.04/22,412.60 = 8,789.04/x
  3. Step 3: Cross multiply
    16,241.04x = 22,412.60 × 8,789.04
  4. Step 4: Simplify right side
    16,241.04x = 196,985,237.90
  5. Step 5: Solve for x
    x = 196,985,237.90/16,241.04
  6. Step 6: Final answer
    x = 12,128.86

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1.5x scale

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.