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Finding the Fourth Proportional to 6,992.73, 10,476.99 and 4,908.78

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Solution

The fourth proportional to 6,992.73, 10,476.99 and 4,908.78 is: 7,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.73 : 10,476.99 = 4,908.78 : x
  2. Step 2: Convert to fraction form
    6,992.73/10,476.99 = 4,908.78/x
  3. Step 3: Cross multiply
    6,992.73x = 10,476.99 × 4,908.78
  4. Step 4: Simplify right side
    6,992.73x = 51,429,238.97
  5. Step 5: Solve for x
    x = 51,429,238.97/6,992.73
  6. Step 6: Final answer
    x = 7,354.67

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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.