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Finding the Fourth Proportional to 17,208.92, 25,813.31 and 9,709.08

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Solution

The fourth proportional to 17,208.92, 25,813.31 and 9,709.08 is: 14,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.92 : 25,813.31 = 9,709.08 : x
  2. Step 2: Convert to fraction form
    17,208.92/25,813.31 = 9,709.08/x
  3. Step 3: Cross multiply
    17,208.92x = 25,813.31 × 9,709.08
  4. Step 4: Simplify right side
    17,208.92x = 250,623,491.85
  5. Step 5: Solve for x
    x = 250,623,491.85/17,208.92
  6. Step 6: Final answer
    x = 14,563.58

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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.