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Finding the Fourth Proportional to 38,728.80, 58,078.44 and 16,552.44

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Solution

The fourth proportional to 38,728.80, 58,078.44 and 16,552.44 is: 24,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.80 : 58,078.44 = 16,552.44 : x
  2. Step 2: Convert to fraction form
    38,728.80/58,078.44 = 16,552.44/x
  3. Step 3: Cross multiply
    38,728.80x = 58,078.44 × 16,552.44
  4. Step 4: Simplify right side
    38,728.80x = 961,339,893.39
  5. Step 5: Solve for x
    x = 961,339,893.39/38,728.80
  6. Step 6: Final answer
    x = 24,822.35

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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.