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Finding the Fourth Proportional to 16,336.80, 22,822.20 and 16,336.80

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Solution

The fourth proportional to 16,336.80, 22,822.20 and 16,336.80 is: 22,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,336.80 : 22,822.20 = 16,336.80 : x
  2. Step 2: Convert to fraction form
    16,336.80/22,822.20 = 16,336.80/x
  3. Step 3: Cross multiply
    16,336.80x = 22,822.20 × 16,336.80
  4. Step 4: Simplify right side
    16,336.80x = 372,841,716.96
  5. Step 5: Solve for x
    x = 372,841,716.96/16,336.80
  6. Step 6: Final answer
    x = 22,822.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.