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Finding the Fourth Proportional to 16,612.56, 24,926.94 and 7,845.12

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Solution

The fourth proportional to 16,612.56, 24,926.94 and 7,845.12 is: 11,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.56 : 24,926.94 = 7,845.12 : x
  2. Step 2: Convert to fraction form
    16,612.56/24,926.94 = 7,845.12/x
  3. Step 3: Cross multiply
    16,612.56x = 24,926.94 × 7,845.12
  4. Step 4: Simplify right side
    16,612.56x = 195,554,835.53
  5. Step 5: Solve for x
    x = 195,554,835.53/16,612.56
  6. Step 6: Final answer
    x = 11,771.51

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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.