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Finding the Fourth Proportional to 16,777.38, 25,155 and 9,382.62

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Solution

The fourth proportional to 16,777.38, 25,155 and 9,382.62 is: 14,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.38 : 25,155 = 9,382.62 : x
  2. Step 2: Convert to fraction form
    16,777.38/25,155 = 9,382.62/x
  3. Step 3: Cross multiply
    16,777.38x = 25,155 × 9,382.62
  4. Step 4: Simplify right side
    16,777.38x = 236,019,806.10
  5. Step 5: Solve for x
    x = 236,019,806.10/16,777.38
  6. Step 6: Final answer
    x = 14,067.74

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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.