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Finding the Fourth Proportional to 17,213.80, 25,813.02 and 4,898.92

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Solution

The fourth proportional to 17,213.80, 25,813.02 and 4,898.92 is: 7,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.80 : 25,813.02 = 4,898.92 : x
  2. Step 2: Convert to fraction form
    17,213.80/25,813.02 = 4,898.92/x
  3. Step 3: Cross multiply
    17,213.80x = 25,813.02 × 4,898.92
  4. Step 4: Simplify right side
    17,213.80x = 126,455,919.94
  5. Step 5: Solve for x
    x = 126,455,919.94/17,213.80
  6. Step 6: Final answer
    x = 7,346.19

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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.