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Finding the Fourth Proportional to 16,653.60, 24,964.05 and 8,321.13

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Solution

The fourth proportional to 16,653.60, 24,964.05 and 8,321.13 is: 12,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.60 : 24,964.05 = 8,321.13 : x
  2. Step 2: Convert to fraction form
    16,653.60/24,964.05 = 8,321.13/x
  3. Step 3: Cross multiply
    16,653.60x = 24,964.05 × 8,321.13
  4. Step 4: Simplify right side
    16,653.60x = 207,729,105.38
  5. Step 5: Solve for x
    x = 207,729,105.38/16,653.60
  6. Step 6: Final answer
    x = 12,473.53

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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.