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Finding the Fourth Proportional to 16,653.72, 24,980.58 and 8,343.94

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Solution

The fourth proportional to 16,653.72, 24,980.58 and 8,343.94 is: 12,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.72 : 24,980.58 = 8,343.94 : x
  2. Step 2: Convert to fraction form
    16,653.72/24,980.58 = 8,343.94/x
  3. Step 3: Cross multiply
    16,653.72x = 24,980.58 × 8,343.94
  4. Step 4: Simplify right side
    16,653.72x = 208,436,460.69
  5. Step 5: Solve for x
    x = 208,436,460.69/16,653.72
  6. Step 6: Final answer
    x = 12,515.91

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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.