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Finding the Fourth Proportional to 16,609.80, 24,914.70 and 12,673.20

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Solution

The fourth proportional to 16,609.80, 24,914.70 and 12,673.20 is: 19,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,609.80 : 24,914.70 = 12,673.20 : x
  2. Step 2: Convert to fraction form
    16,609.80/24,914.70 = 12,673.20/x
  3. Step 3: Cross multiply
    16,609.80x = 24,914.70 × 12,673.20
  4. Step 4: Simplify right side
    16,609.80x = 315,748,976.04
  5. Step 5: Solve for x
    x = 315,748,976.04/16,609.80
  6. Step 6: Final answer
    x = 19,009.80

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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.