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Finding the Fourth Proportional to 17,695.80, 24,420.15 and 10,622.21

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Solution

The fourth proportional to 17,695.80, 24,420.15 and 10,622.21 is: 14,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,695.80 : 24,420.15 = 10,622.21 : x
  2. Step 2: Convert to fraction form
    17,695.80/24,420.15 = 10,622.21/x
  3. Step 3: Cross multiply
    17,695.80x = 24,420.15 × 10,622.21
  4. Step 4: Simplify right side
    17,695.80x = 259,395,839.43
  5. Step 5: Solve for x
    x = 259,395,839.43/17,695.80
  6. Step 6: Final answer
    x = 14,658.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.