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Finding the Fourth Proportional to 16,624.58, 24,936.60 and 7,865.78

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Solution

The fourth proportional to 16,624.58, 24,936.60 and 7,865.78 is: 11,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,624.58 : 24,936.60 = 7,865.78 : x
  2. Step 2: Convert to fraction form
    16,624.58/24,936.60 = 7,865.78/x
  3. Step 3: Cross multiply
    16,624.58x = 24,936.60 × 7,865.78
  4. Step 4: Simplify right side
    16,624.58x = 196,145,809.55
  5. Step 5: Solve for x
    x = 196,145,809.55/16,624.58
  6. Step 6: Final answer
    x = 11,798.54

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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.