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Finding the Fourth Proportional to 10,992.54, 16,488.81 and 7,301.97

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Solution

The fourth proportional to 10,992.54, 16,488.81 and 7,301.97 is: 10,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.54 : 16,488.81 = 7,301.97 : x
  2. Step 2: Convert to fraction form
    10,992.54/16,488.81 = 7,301.97/x
  3. Step 3: Cross multiply
    10,992.54x = 16,488.81 × 7,301.97
  4. Step 4: Simplify right side
    10,992.54x = 120,400,795.96
  5. Step 5: Solve for x
    x = 120,400,795.96/10,992.54
  6. Step 6: Final answer
    x = 10,952.96

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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.