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Finding the Fourth Proportional to 16,674.70, 24,999.90 and 6,808.90

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Solution

The fourth proportional to 16,674.70, 24,999.90 and 6,808.90 is: 10,208.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.70 : 24,999.90 = 6,808.90 : x
  2. Step 2: Convert to fraction form
    16,674.70/24,999.90 = 6,808.90/x
  3. Step 3: Cross multiply
    16,674.70x = 24,999.90 × 6,808.90
  4. Step 4: Simplify right side
    16,674.70x = 170,221,819.11
  5. Step 5: Solve for x
    x = 170,221,819.11/16,674.70
  6. Step 6: Final answer
    x = 10,208.39

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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.