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Finding the Fourth Proportional to 7,969.59, 11,954.39 and 2,423.25

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Solution

The fourth proportional to 7,969.59, 11,954.39 and 2,423.25 is: 3,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.59 : 11,954.39 = 2,423.25 : x
  2. Step 2: Convert to fraction form
    7,969.59/11,954.39 = 2,423.25/x
  3. Step 3: Cross multiply
    7,969.59x = 11,954.39 × 2,423.25
  4. Step 4: Simplify right side
    7,969.59x = 28,968,463.45
  5. Step 5: Solve for x
    x = 28,968,463.45/7,969.59
  6. Step 6: Final answer
    x = 3,634.88

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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.