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Finding the Fourth Proportional to 16,687.64, 25,028.27 and 5,000.86

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Solution

The fourth proportional to 16,687.64, 25,028.27 and 5,000.86 is: 7,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.64 : 25,028.27 = 5,000.86 : x
  2. Step 2: Convert to fraction form
    16,687.64/25,028.27 = 5,000.86/x
  3. Step 3: Cross multiply
    16,687.64x = 25,028.27 × 5,000.86
  4. Step 4: Simplify right side
    16,687.64x = 125,162,813.11
  5. Step 5: Solve for x
    x = 125,162,813.11/16,687.64
  6. Step 6: Final answer
    x = 7,500.33

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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.