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Finding the Fourth Proportional to 27,972.60, 41,958.90 and 9,504.60

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Solution

The fourth proportional to 27,972.60, 41,958.90 and 9,504.60 is: 14,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.60 : 41,958.90 = 9,504.60 : x
  2. Step 2: Convert to fraction form
    27,972.60/41,958.90 = 9,504.60/x
  3. Step 3: Cross multiply
    27,972.60x = 41,958.90 × 9,504.60
  4. Step 4: Simplify right side
    27,972.60x = 398,802,560.94
  5. Step 5: Solve for x
    x = 398,802,560.94/27,972.60
  6. Step 6: Final answer
    x = 14,256.90

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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.