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Finding the Fourth Proportional to 17,834.40, 26,722.80 and 11,248.80

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Solution

The fourth proportional to 17,834.40, 26,722.80 and 11,248.80 is: 16,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,834.40 : 26,722.80 = 11,248.80 : x
  2. Step 2: Convert to fraction form
    17,834.40/26,722.80 = 11,248.80/x
  3. Step 3: Cross multiply
    17,834.40x = 26,722.80 × 11,248.80
  4. Step 4: Simplify right side
    17,834.40x = 300,599,432.64
  5. Step 5: Solve for x
    x = 300,599,432.64/17,834.40
  6. Step 6: Final answer
    x = 16,855.03

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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.