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Finding the Fourth Proportional to 17,697.16, 24,400.26 and 16,209.88

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Solution

The fourth proportional to 17,697.16, 24,400.26 and 16,209.88 is: 22,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.16 : 24,400.26 = 16,209.88 : x
  2. Step 2: Convert to fraction form
    17,697.16/24,400.26 = 16,209.88/x
  3. Step 3: Cross multiply
    17,697.16x = 24,400.26 × 16,209.88
  4. Step 4: Simplify right side
    17,697.16x = 395,525,286.57
  5. Step 5: Solve for x
    x = 395,525,286.57/17,697.16
  6. Step 6: Final answer
    x = 22,349.65

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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.