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Finding the Fourth Proportional to 22,137.95, 30,550.17 and 12,066.39

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Solution

The fourth proportional to 22,137.95, 30,550.17 and 12,066.39 is: 16,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.95 : 30,550.17 = 12,066.39 : x
  2. Step 2: Convert to fraction form
    22,137.95/30,550.17 = 12,066.39/x
  3. Step 3: Cross multiply
    22,137.95x = 30,550.17 × 12,066.39
  4. Step 4: Simplify right side
    22,137.95x = 368,630,052.70
  5. Step 5: Solve for x
    x = 368,630,052.70/22,137.95
  6. Step 6: Final answer
    x = 16,651.50

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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.