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Finding the Fourth Proportional to 11,960.52, 16,504.74 and 7,247.40

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Solution

The fourth proportional to 11,960.52, 16,504.74 and 7,247.40 is: 10,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.52 : 16,504.74 = 7,247.40 : x
  2. Step 2: Convert to fraction form
    11,960.52/16,504.74 = 7,247.40/x
  3. Step 3: Cross multiply
    11,960.52x = 16,504.74 × 7,247.40
  4. Step 4: Simplify right side
    11,960.52x = 119,616,452.68
  5. Step 5: Solve for x
    x = 119,616,452.68/11,960.52
  6. Step 6: Final answer
    x = 10,000.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.