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Finding the Fourth Proportional to 16,938.20, 25,358.70 and 16,452.20

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Solution

The fourth proportional to 16,938.20, 25,358.70 and 16,452.20 is: 24,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.20 : 25,358.70 = 16,452.20 : x
  2. Step 2: Convert to fraction form
    16,938.20/25,358.70 = 16,452.20/x
  3. Step 3: Cross multiply
    16,938.20x = 25,358.70 × 16,452.20
  4. Step 4: Simplify right side
    16,938.20x = 417,206,404.14
  5. Step 5: Solve for x
    x = 417,206,404.14/16,938.20
  6. Step 6: Final answer
    x = 24,631.09

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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.