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Finding the Fourth Proportional to 23,786.40, 35,679.60 and 16,874.40

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Solution

The fourth proportional to 23,786.40, 35,679.60 and 16,874.40 is: 25,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,786.40 : 35,679.60 = 16,874.40 : x
  2. Step 2: Convert to fraction form
    23,786.40/35,679.60 = 16,874.40/x
  3. Step 3: Cross multiply
    23,786.40x = 35,679.60 × 16,874.40
  4. Step 4: Simplify right side
    23,786.40x = 602,071,842.24
  5. Step 5: Solve for x
    x = 602,071,842.24/23,786.40
  6. Step 6: Final answer
    x = 25,311.60

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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.