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Finding the Fourth Proportional to 11,993.92, 17,993.04 and 5,748.64

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Solution

The fourth proportional to 11,993.92, 17,993.04 and 5,748.64 is: 8,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.92 : 17,993.04 = 5,748.64 : x
  2. Step 2: Convert to fraction form
    11,993.92/17,993.04 = 5,748.64/x
  3. Step 3: Cross multiply
    11,993.92x = 17,993.04 × 5,748.64
  4. Step 4: Simplify right side
    11,993.92x = 103,435,509.47
  5. Step 5: Solve for x
    x = 103,435,509.47/11,993.92
  6. Step 6: Final answer
    x = 8,624.00

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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.