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Finding the Fourth Proportional to 14,706.92, 20,295.81 and 7,992.52

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Solution

The fourth proportional to 14,706.92, 20,295.81 and 7,992.52 is: 11,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706.92 : 20,295.81 = 7,992.52 : x
  2. Step 2: Convert to fraction form
    14,706.92/20,295.81 = 7,992.52/x
  3. Step 3: Cross multiply
    14,706.92x = 20,295.81 × 7,992.52
  4. Step 4: Simplify right side
    14,706.92x = 162,214,616.60
  5. Step 5: Solve for x
    x = 162,214,616.60/14,706.92
  6. Step 6: Final answer
    x = 11,029.81

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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.