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Finding the Fourth Proportional to 7,992.07, 11,988.10 and 3,063.12

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Solution

The fourth proportional to 7,992.07, 11,988.10 and 3,063.12 is: 4,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.07 : 11,988.10 = 3,063.12 : x
  2. Step 2: Convert to fraction form
    7,992.07/11,988.10 = 3,063.12/x
  3. Step 3: Cross multiply
    7,992.07x = 11,988.10 × 3,063.12
  4. Step 4: Simplify right side
    7,992.07x = 36,720,947.75
  5. Step 5: Solve for x
    x = 36,720,947.75/7,992.07
  6. Step 6: Final answer
    x = 4,594.67

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Similar ratio
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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.