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Finding the Fourth Proportional to 23,940.90, 35,911.44 and 8,354.88

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Solution

The fourth proportional to 23,940.90, 35,911.44 and 8,354.88 is: 12,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,940.90 : 35,911.44 = 8,354.88 : x
  2. Step 2: Convert to fraction form
    23,940.90/35,911.44 = 8,354.88/x
  3. Step 3: Cross multiply
    23,940.90x = 35,911.44 × 8,354.88
  4. Step 4: Simplify right side
    23,940.90x = 300,035,771.83
  5. Step 5: Solve for x
    x = 300,035,771.83/23,940.90
  6. Step 6: Final answer
    x = 12,532.35

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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.