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Finding the Fourth Proportional to 18,054.72, 24,922.36 and 16,162.92

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Solution

The fourth proportional to 18,054.72, 24,922.36 and 16,162.92 is: 22,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.72 : 24,922.36 = 16,162.92 : x
  2. Step 2: Convert to fraction form
    18,054.72/24,922.36 = 16,162.92/x
  3. Step 3: Cross multiply
    18,054.72x = 24,922.36 × 16,162.92
  4. Step 4: Simplify right side
    18,054.72x = 402,818,015.54
  5. Step 5: Solve for x
    x = 402,818,015.54/18,054.72
  6. Step 6: Final answer
    x = 22,310.95

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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.