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Finding the Fourth Proportional to 16,988.94, 25,483.41 and 5,898.42

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Solution

The fourth proportional to 16,988.94, 25,483.41 and 5,898.42 is: 8,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.94 : 25,483.41 = 5,898.42 : x
  2. Step 2: Convert to fraction form
    16,988.94/25,483.41 = 5,898.42/x
  3. Step 3: Cross multiply
    16,988.94x = 25,483.41 × 5,898.42
  4. Step 4: Simplify right side
    16,988.94x = 150,311,855.21
  5. Step 5: Solve for x
    x = 150,311,855.21/16,988.94
  6. Step 6: Final answer
    x = 8,847.63

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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.