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Finding the Fourth Proportional to 17,240.40, 25,860.88 and 5,553.68

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Solution

The fourth proportional to 17,240.40, 25,860.88 and 5,553.68 is: 8,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,240.40 : 25,860.88 = 5,553.68 : x
  2. Step 2: Convert to fraction form
    17,240.40/25,860.88 = 5,553.68/x
  3. Step 3: Cross multiply
    17,240.40x = 25,860.88 × 5,553.68
  4. Step 4: Simplify right side
    17,240.40x = 143,623,052.04
  5. Step 5: Solve for x
    x = 143,623,052.04/17,240.40
  6. Step 6: Final answer
    x = 8,330.61

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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.