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Finding the Fourth Proportional to 16,919.14, 25,378.74 and 4,607.14

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Solution

The fourth proportional to 16,919.14, 25,378.74 and 4,607.14 is: 6,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.14 : 25,378.74 = 4,607.14 : x
  2. Step 2: Convert to fraction form
    16,919.14/25,378.74 = 4,607.14/x
  3. Step 3: Cross multiply
    16,919.14x = 25,378.74 × 4,607.14
  4. Step 4: Simplify right side
    16,919.14x = 116,923,408.20
  5. Step 5: Solve for x
    x = 116,923,408.20/16,919.14
  6. Step 6: Final answer
    x = 6,910.72

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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.