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Finding the Fourth Proportional to 28,954.92, 39,958.92 and 16,034.52

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Solution

The fourth proportional to 28,954.92, 39,958.92 and 16,034.52 is: 22,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.92 : 39,958.92 = 16,034.52 : x
  2. Step 2: Convert to fraction form
    28,954.92/39,958.92 = 16,034.52/x
  3. Step 3: Cross multiply
    28,954.92x = 39,958.92 × 16,034.52
  4. Step 4: Simplify right side
    28,954.92x = 640,722,101.92
  5. Step 5: Solve for x
    x = 640,722,101.92/28,954.92
  6. Step 6: Final answer
    x = 22,128.26

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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.