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Finding the Fourth Proportional to 8,923.73, 13,384.16 and 3,992.48

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Solution

The fourth proportional to 8,923.73, 13,384.16 and 3,992.48 is: 5,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.73 : 13,384.16 = 3,992.48 : x
  2. Step 2: Convert to fraction form
    8,923.73/13,384.16 = 3,992.48/x
  3. Step 3: Cross multiply
    8,923.73x = 13,384.16 × 3,992.48
  4. Step 4: Simplify right side
    8,923.73x = 53,435,904.23
  5. Step 5: Solve for x
    x = 53,435,904.23/8,923.73
  6. Step 6: Final answer
    x = 5,988.07

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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.