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Finding the Fourth Proportional to 16,671.69, 25,014.02 and 6,290.73

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Solution

The fourth proportional to 16,671.69, 25,014.02 and 6,290.73 is: 9,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.69 : 25,014.02 = 6,290.73 : x
  2. Step 2: Convert to fraction form
    16,671.69/25,014.02 = 6,290.73/x
  3. Step 3: Cross multiply
    16,671.69x = 25,014.02 × 6,290.73
  4. Step 4: Simplify right side
    16,671.69x = 157,356,414.58
  5. Step 5: Solve for x
    x = 157,356,414.58/16,671.69
  6. Step 6: Final answer
    x = 9,438.54

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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.