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Finding the Fourth Proportional to 16,672.12, 24,998.95 and 6,818.31

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Solution

The fourth proportional to 16,672.12, 24,998.95 and 6,818.31 is: 10,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.12 : 24,998.95 = 6,818.31 : x
  2. Step 2: Convert to fraction form
    16,672.12/24,998.95 = 6,818.31/x
  3. Step 3: Cross multiply
    16,672.12x = 24,998.95 × 6,818.31
  4. Step 4: Simplify right side
    16,672.12x = 170,450,680.79
  5. Step 5: Solve for x
    x = 170,450,680.79/16,672.12
  6. Step 6: Final answer
    x = 10,223.70

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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.