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Finding the Fourth Proportional to 16,180.40, 24,251.40 and 6,820.40

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Solution

The fourth proportional to 16,180.40, 24,251.40 and 6,820.40 is: 10,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,180.40 : 24,251.40 = 6,820.40 : x
  2. Step 2: Convert to fraction form
    16,180.40/24,251.40 = 6,820.40/x
  3. Step 3: Cross multiply
    16,180.40x = 24,251.40 × 6,820.40
  4. Step 4: Simplify right side
    16,180.40x = 165,404,248.56
  5. Step 5: Solve for x
    x = 165,404,248.56/16,180.40
  6. Step 6: Final answer
    x = 10,222.51

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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.