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Finding the Fourth Proportional to 9,992.54, 14,983.54 and 4,447.56

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Solution

The fourth proportional to 9,992.54, 14,983.54 and 4,447.56 is: 6,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.54 : 14,983.54 = 4,447.56 : x
  2. Step 2: Convert to fraction form
    9,992.54/14,983.54 = 4,447.56/x
  3. Step 3: Cross multiply
    9,992.54x = 14,983.54 × 4,447.56
  4. Step 4: Simplify right side
    9,992.54x = 66,640,193.16
  5. Step 5: Solve for x
    x = 66,640,193.16/9,992.54
  6. Step 6: Final answer
    x = 6,668.99

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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.