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Finding the Fourth Proportional to 17,625.48, 26,438.22 and 10,281.21

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Solution

The fourth proportional to 17,625.48, 26,438.22 and 10,281.21 is: 15,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.48 : 26,438.22 = 10,281.21 : x
  2. Step 2: Convert to fraction form
    17,625.48/26,438.22 = 10,281.21/x
  3. Step 3: Cross multiply
    17,625.48x = 26,438.22 × 10,281.21
  4. Step 4: Simplify right side
    17,625.48x = 271,816,891.85
  5. Step 5: Solve for x
    x = 271,816,891.85/17,625.48
  6. Step 6: Final answer
    x = 15,421.82

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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.