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Finding the Fourth Proportional to 16,160.40, 24,221.40 and 6,800.40

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Solution

The fourth proportional to 16,160.40, 24,221.40 and 6,800.40 is: 10,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,160.40 : 24,221.40 = 6,800.40 : x
  2. Step 2: Convert to fraction form
    16,160.40/24,221.40 = 6,800.40/x
  3. Step 3: Cross multiply
    16,160.40x = 24,221.40 × 6,800.40
  4. Step 4: Simplify right side
    16,160.40x = 164,715,208.56
  5. Step 5: Solve for x
    x = 164,715,208.56/16,160.40
  6. Step 6: Final answer
    x = 10,192.52

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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.