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Finding the Fourth Proportional to 16,628.70, 24,943.02 and 6,765.78

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Solution

The fourth proportional to 16,628.70, 24,943.02 and 6,765.78 is: 10,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.70 : 24,943.02 = 6,765.78 : x
  2. Step 2: Convert to fraction form
    16,628.70/24,943.02 = 6,765.78/x
  3. Step 3: Cross multiply
    16,628.70x = 24,943.02 × 6,765.78
  4. Step 4: Simplify right side
    16,628.70x = 168,758,985.86
  5. Step 5: Solve for x
    x = 168,758,985.86/16,628.70
  6. Step 6: Final answer
    x = 10,148.66

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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.